Related
Since the official firmware thread by @henklbr is flooded with posts asking how to flash rather than actual firmware update talk, this thread can be used for that instead.
Here's the Odin flashing guide at the beginning of the thread which nobody will read.
How to flash the stock Odin flashable firmware:
1) Download Odin v3.13.1 - Link
2) Extract the firmware file you just downloaded. You should get 5 files:
AP (System & Recovery)
BL (Bootloader)
CP (Modem / Radio)
CSC_OXM (OXM CSC file, will wipe your phone)
HOME_CSC_OXM (OXM CSC file, will NOT wipe your phone)
3) Add each file to it's respective field in Odin v3.13.1. Use CSC_OXM if you want to do a clean flash and HOME_CSC OXM if you want to keep your apps and data.
4) Reboot your phone in Download / Odin mode:
-Power off your Galaxy S10/S10+
-Connect the cable to your PC, but do not plug it into your phone yet
-Hold Volume Down + Bixby button and plug the Type C cable into your phone while holding down those buttons
-You will get a warning on your screen, press 'Continue'
5) Once in download mode, Odin should detect your device and a blue box will show up with the COM port number.
6) Do NOT tick any extra boxes. The only options to be ticked are F.Reset Time and Auto-Reboot and they are enabled by default.
7) Click the start button, wait for Odin to say 'PASS'. Once the flash is complete, your phone will reboot automatically.
Flashing Tips:
1) Always try to use the OEM Samsung USB-C cable when flashing.
2) Install Samsung Smart Switch before flashing, it automatically installs the latest Samsung USB drivers. However, make sure Smart Switch is CLOSED when you are flashing your device with Odin.
3) Try not to have too many other applications running if you have a PC with low RAM as Odin can consume a lot of memory sometimes, and the last thing you need is for your PC to freeze in the middle of a flash.
This is what a successful flash log on Odin looks like for an S10+ ----> Pastebin Link
--------------------------------------------------------------------------------------------------------
Before asking a question below, read the FAQs, your question has most probably already been answered.
Q1) Will this trip KNOX, and will I lose my warranty?
Short answer: No
Detailed answer: KNOX counter will remain at 0x0 and warranty stays valid as well.
However, some service centers might note regional differences between builds based on the latest build available for your CSC, indicating that the phone has been flashed, so if you're sending your device in for a service/repair/replacement, then I'd suggest flashing to the latest build available for your home country's CSC. Usually not required though, so not a big deal.
--------------------------------------------------------------------------------------------------------
Q2) What if the firmware build number mentioned above is not available for my CSC, can I still flash it?
Short answer: Yes, but that is subject to your current active CSC. Read detailed answer below.
Detailed answer: See this list --- > LINK
--------------------------------------------------------------------------------------------------------
Q3) I flashed 'ASxx' build, but now I can't get OTAs for a newer build that's available on my CSC?
Short answer: The build you are currently running on your device was never released for your CSC, so no subsequent OTA file is available on the server.
Detailed answer: This is due to Samsung's stupid update rollout methods. Go to SamMobile, select SM-G975F and find your region in the list, and flash whatever the latest build is to regain the ability to receive OTAs.
--------------------------------------------------------------------------------------------------------
Q4) Can I flash the ROM in the main post without flashing the builds that came before it?
Short answer: Yes.
Detailed answer: The firmwares available for download using SamFirm or Frija are full firmware files. Flashing them will manually flash (and update, if necessary) every partition on your phone. So you could be on the oldest firmware ever released for the S10+, and flash directly to the latest one without having to flash any builds released in between.
--------------------------------------------------------------------------------------------------------
Q5) Can I flash without wiping my data?
Short answer: Yes.
Detailed answer: If you've gotten to this question, you clearly haven't read the Odin flashing instructions.
If you want to flash and retain all the data on your phone, you can choose to use the HOME_CSC file when flashing. This will only upgrade your phone to the newer firmware, but allow you to keep all your data.
--------------------------------------------------------------------------------------------------------
Q6) I am on a carrier firmware, can I flash this firmware?
Short answer: Yes, but all your data will be erased.
Detailed answer: If you are on a carrier firmware that is not part of the OXM multi-CSC list given in the answer for Q2, then you can still flash OXM firmwares, but you will not have the option of using the HOME_CSC file to retain your data. You must wipe your data when switching from a carrier firmware to an unbranded firmware. Once you are on the unbranded OXM firmware, you can use HOME_CSC to upgrade without wiping data.
--------------------------------------------------------------------------------------------------------
Q7) If I flash AUT region firmware on my DBT device, will it affect my ability to get OTA updates?
Short answer: Maybe, maybe not.
Detailed answer: Read the answer of Q3.
--------------------------------------------------------------------------------------------------------
Q8) Is there any risk of flashing?
Short answer:No, not really.
Detailed answer: If you are not experienced with flashing but would still like to flash your phone, make sure to be very very careful and don't miss any steps in the process. There is usually no risk, and it is very hard to permanently brick your device when flashing stock ROMs. There is a chance of data loss if the flash is interrupted.
--------------------------------------------------------------------------------------------------------
Q9) Why does the window says 'FAIL' instead of PASS?
Short answer: Could be for multiple reasons, see detailed answer.
Detailed answer: If a flash fails, always make sure to copy and paste your Odin log here so we can see where and why the flash failed.
The Odin flash log can be seen on the bottom left of the Odin window, see this screenshot ---> Odin 3.13.1 screenshot
--------------------------------------------------------------------------------------------------------
Q10) Why does the Odin log show that the flash failed at sboot.bin.lz4?
Short answer: The version of your Odin is not compatible with newer firmwares that use lz4 compression.
Detailed answer: Samsung started using .lz4 compression with Oreo firmwares, so older versions of Odin can't be used.
Use Odin v3.13.1 (Download link) for flashing on the S10+.
--------------------------------------------------------------------------------------------------------
Q11) Why does the Odin flash log show FAIL (XmitDataWrite)?
Short answer: There was an issue flashing the AP (System) file to your device. Read detailed answer on how to solve.
Detailed answer: This is usually due to an issue with the USB port or the cable being used to flash the device. If you are using a USB 3.0 port on your PC / laptop, try switching to a USB 2.0 port instead. If you don't have a USB 2.0 port available, change the cable. Some cables don't handle large file transfers well. Preferably use the OEM Samsung cable that you got in the box of your phone.
--------------------------------------------------------------------------------------------------------
Q12) Where can I download the latest S10+ (SM-G975F) firmwares?
Answer: You can use Frija which downloads the firmwares straight from Samsung servers - Link
--------------------------------------------------------------------------------------------------------
Q13) What do the CSCs in the settings menu mean?
Answer: See below.
Single SIM device:
If you have a Single SIM device, it will show 3 CSCs in the settings menu, in the following format:
DBT/DBT/DBT
1st CSC = active CSC (You will get OTAs for this CSC and any features like Samsung Pay, VoLTE, WiFi calling are dependent on the active CSC)
2nd CSC = CSC of your SIM card (In case your SIM card is from a different region than your active CSC, this will be different from the active CSC)
3rd CSC = Hardware CSC of your device (For example, you purchased the device in Germany, but are living in the Netherlands, it will show PHN/PHN/DBT)
It is not possible to change the hardware CSC, and it has 0 effect on the device's functionality or when it will get OTA updates. It is simply an indicator for what market the device was intended for sale in.
Dual SIM device:
If you have a Dual SIM device, it will show 4 CSCs in the settings menu, in the following format:
DBT/DBT,DBT/DBT
1st CSC = active CSC (You will get OTAs for this CSC and any features like Samsung Pay, VoLTE, WiFi calling are dependent on the active CSC)
2nd CSC = CSC of your SIM card (In case your SIM card is from a different region than your active CSC, this will be different from the active CSC)
3rd CSC = CSC of your SIM card in SIM slot 2
4th CSC = Hardware CSC of your device (For example, you purchased the device in Germany, but are living in the Netherlands, it will show PHN/PHN,PHN/DBT)
It is not possible to change the hardware CSC, and it has 0 effect on the device's functionality or when it will get OTA updates. It is simply an indicator for what market the device was intended for sale in.
--------------------------------------------------------------------------------------------------------
Q14) Why did my CSC change to XEF (France) after flashing from a carrier ROM to the unlocked ROM?
Answer: For OXM firmwares on the S10 series, when flashing from a non-OXM ROM (such as a carrier ROM) to an OXM multi-CSC ROM, the active CSC defaults to XEF.
Detailed answer: For devices that are region locked, once you flash from carrier to unlocked, it will stay on XEF. There is no way to change CSC yet without root.
For devices that are not region locked, it will change to XEF, but to switch to the unlocked CSC for your region, remove your SIM card, insert it again and do a factory reset from the settings menu.
--------------------------------------------------------------------------------------------------------
Q15) Can I downgrade to an older build?
Answer: It depends on your current build. Sometimes you can downgrade, sometimes you can not. Read detailed answer to check.
Detailed answer:
You have to see the bootloader version of your current build. Samsung tends to upgrade bootloader versions regularly so downgrading is not always possible.
For example if your current build is G975FXXU3ASG8, and you want to downgrade to G975FXXU2ASF3, it will not be possible.
Moving from 'XXU3' to 'XXU2' is not possible since XXU2 is an older bootloader version, and because of Samsung's downgrade protection, it will not allow the older version to be flashed.
When attempting to flash, Odin will show 'FAIL' in the flash window, and the bootloader screen on your device will display this error:
SW REV CHECK FAIL(BOOTLOADER) DEVICE: 3, BINARY: 2
This is showing that the device is currently on a v3 build, and the build being flashed is v2, so it will reject the file and abort the flash immediately.
If however you want to downgrade from G975FXXU3ASG8 to G975FXXU3ASG2, you are free to do so, since both builds are labeled 'XXU3' and are on the same bootloader version (i.e: v3).
Note: Some builds will be labeled 'XXS', and the same reasoning applies to those builds as well. If the bootloader version is different, you can not downgrade.
--------------------------------------------------------------------------------------------------------
Q16) Why are some builds labeled 'XXU', whereas some builds are labeled 'XXS'?
Answer:
XXU builds are usually larger updates, they usually include security patches, kernel changes and other under the hood fixes. When new features are added, they are also usually shipped with 'XXU' builds.
XXS builds are maintenance releases. They just include security patches and nothing more. OTA sizes for XXS builds are usually significantly smaller as well. In some cases, exceptions can be made and new kernels can be included with XXS builds as well.
These changes are usually discussed in the stock firmware thread for the device.
For newly released devices in the first 6-8 months, almost all builds are XXU since Samsung is actively working on improving the device.
For devices nearing EOL, Samsung is only fulfilling its obligation to provide security patches and no new features, so most builds are XXS.
--------------------------------------------------------------------------------------------------------
First! Just installed ASE7 (AUT) over ASE6 (BTU) using HOME_CSC (I was already on BTU). Very nice it is like real OTA because bloatware wasn't installed. Phone working...
additional info: My S10 (not +) was branded in Czech T-Mobile TMZ/TMZ,TMZ/TMZ now is BTU/BTU,BTU/TMZ and all is good. Still obserwing stuff around Samsung
Flashing for dummies guide is very useful. Thanks
To keep root when flashing new firmware, you patch the AP file in Magisk then use that patched .tar file in the AP slot in odin, right?
vibrantliker said:
To keep root when flashing new firmware, you patch the AP file in Magisk then use that patched .tar file in the AP slot in odin, right?
Click to expand...
Click to collapse
I haven't rooted my phone, but have read about it, and yes that seems to be the way to go about it.
Lots of people complaining that they have to patch the entire 5 GB AP file.
The list of CSCs included in the OXM multi-CSC has now been updated for the Galaxy S10/S10+.
Link is in the main post, and here as well:
https://drive.google.com/open?id=1PPPo1DhdVAIJDha6kEmIDE4UxyxtEsBHqONlE81QvEc
Hi there,
My OPS (OPTUS) Is a multi CSC carrier but since I do not longer use it in Australia but rather in South America,I would like to change my CSC to perhaps DBT so I can get the latest OTA updates.
Is it possible to change my CSC?
I use the Claro SIM here and I have successfully updated the AS7 firmware.
Thanks.
Cancerbero04 said:
Hi there,
My OPS (OPTUS) Is a multi CSC carrier but since I do not longer use it in Australia but rather in South America,I would like to change my CSC to perhaps DBT so I can get the latest OTA updates.
Is it possible to change my CSC?
I use the Claro SIM here and I have successfully updated the AS7 firmware.
Thanks.
Click to expand...
Click to collapse
Your device seems to be region locked to OPS which is why it isn't offering automatic CSC change.
I need to experiment with the complicated CSC change method on my own S10+ first and then I'll post it here.
My S10+ has the active CSC code as TTT, the device doesn't receive OTA software updates and I notice your listing has TTT as N/A, would this be why I haven't received the OTA updates? I've flashed the latest ones manually. I've tried to change the CSC by flashing XEF, BTU, SKR, TPA and EON as I'm from Trinidad, but nothing has changed the CSC, all my other Samsung devices, including my other S10+ has the active CSC as TPA and they receive updates. All are unlocked and have sims from the same carrier. Any ideas as to how to change it to get OTA updates?
Gdefreitas said:
My S10+ has the active CSC code as TTT, the device doesn't receive OTA software updates and I notice your listing has TTT as N/A, would this be why I haven't received the OTA updates? I've flashed the latest ones manually. I've tried to change the CSC by flashing XEF, BTU, SKR, TPA and EON as I'm from Trinidad, but nothing has changed the CSC, all my other Samsung devices, including my other S10+ has the active CSC as TPA and they receive updates. All are unlocked and have sims from the same carrier. Any ideas as to how to change it to get OTA updates?
Click to expand...
Click to collapse
Did you buy the device from a carrier, or unlocked?
I've got TTT listed as N/A since I wasn't aware which country / carrier it belonged to.
MeltdownSpectre said:
Did you buy the device from a carrier, or unlocked?
I've got TTT listed as N/A since I wasn't aware which country / carrier it belonged to.
Click to expand...
Click to collapse
It's an unlocked device that's purchased from a retailer, I'm not sure where their supplier is located, my guess would be Panama. TTT is Trinidad and Tobago, I'm from Trinidad, but instead of my device CSC being TPA like the other devices that gets the update, mine is TTT/TTT, TTT/TPA. I just would like to change it to TPA to be able to get updates, or even EON which is the CSC for firmwares for Trinidad.
Gdefreitas said:
It's an unlocked device that's purchased from a retailer, I'm not sure where their supplier is located, my guess would be Panama. TTT is Trinidad and Tobago, I'm from Trinidad, but instead of my device CSC being TPA like the other devices that gets the update, mine is TTT/TTT, TTT/TPA. I just would like to change it to TPA to be able to get updates, or even EON which is the CSC for firmwares for Trinidad.
Click to expand...
Click to collapse
What carrier are you using in Trinidad?
Maybe TTT is for a specific carrier, and since that's part of OXM, your phone automatically selects that CSC.
Although it is very weird that the FOTA server doesn't list any OTAs for TTT, which means you'll have to flash every update manually.
MeltdownSpectre said:
What carrier are you using in Trinidad?
Maybe TTT is for a specific carrier, and since that's part of OXM, your phone automatically selects that CSC.
Although it is very weird that the FOTA server doesn't list any OTAs for TTT, which means you'll have to flash every update manually.
Click to expand...
Click to collapse
I'm using Bmobile, which is the carrier all my other devices use as well, and they show the CSC as TPA, so they receive the updates. Their is no TTT firmware for the S10+, but there is for the S10. I assumed that would mean no firmware updates, and I only received one, but that was when I now purchased the phone, after that I had to factory reset the phone and since then, I haven't gotten any OTAs. Is there anyway to change the CSC to TPA? I've tried flashing the other firmwares, the BTU, XEF, SKR, but none of them changed the CSC from TTT. Any suggestions?
Gdefreitas said:
I'm using Bmobile, which is the carrier all my other devices use as well, and they show the CSC as TPA, so they receive the updates. Their is no TTT firmware for the S10+, but there is for the S10. I assumed that would mean no firmware updates, and I only received one, but that was when I now purchased the phone, after that I had to factory reset the phone and since then, I haven't gotten any OTAs. Is there anyway to change the CSC to TPA? I've tried flashing the other firmwares, the BTU, XEF, SKR, but none of them changed the CSC from TTT. Any suggestions?
Click to expand...
Click to collapse
Can you try swapping the SIM card from another phone of yours to the S10+?
After inserting the SIM card, restart the phone and check what it shows under settings > about > software information > service provider SW Ver.
MeltdownSpectre said:
Can you try swapping the SIM card from another phone of yours to the S10+?
After inserting the SIM card, restart the phone and check what it shows under settings > about > software information > service provider SW Ver.
Click to expand...
Click to collapse
I've tried that, even tried from the other carrier available in my country, but it still doesn't change. It remains as TTT. It's the dual sim version, although I've never even inserted a second sim into it, that slot shows TTT as well.
MeltdownSpectre said:
Can you try swapping the SIM card from another phone of yours to the S10+?
After inserting the SIM card, restart the phone and check what it shows under settings > about > software information > service provider SW Ver.
Click to expand...
Click to collapse
I saw another one of your posts where it mentioned using RealTerm to change the CSC, can this be used with my device, and if so, how do I go about doing it? Thanks for any assistance you may be able to render.
Gdefreitas said:
I saw another one of your posts where it mentioned using RealTerm to change the CSC, can this be used with my device, and if so, how do I go about doing it? Thanks for any assistance you may be able to render.
Click to expand...
Click to collapse
In theory the RealTerm method should work just fine. All you'll need is a combination / factory binary file for the G975F. The rest of the tutorial should work the same way.
I think I have the file, I'll check and upload it later today.
MeltdownSpectre said:
In theory the RealTerm method should work just fine. All you'll need is a combination / factory binary file for the G975F. The rest of the tutorial should work the same way.
I think I have the file, I'll check and upload it later today.
Click to expand...
Click to collapse
OK, thanks a lot, I'll give it a try. Just for the sake of knowing, could you explain what exactly the combination file is, and does it work on any software version of the device, or is it firmware specific? In other words, will it work on the ASE7 build that I'm presently on? Also, will I continue to get OTA updates after switching the CSC this way?
Gdefreitas said:
OK, thanks a lot, I'll give it a try. Just for the sake of knowing, could you explain what exactly the combination file is, and does it work on any software version of the device, or is it firmware specific? In other words, will it work on the ASE7 build that I'm presently on? Also, will I continue to get OTA updates after switching the CSC this way?
Click to expand...
Click to collapse
Combination or factory binary is the file used in Samsung factories and service centers to program phones before sale or return to the customer.
It does work as long as the Bootloader revision is the same. If you are on the May update or older, it will work just fine.
You flash it with Odin like you would a normal ROM, and it will boot up with very limited functionality. Then follow the RealTerm tutorial and set the CSC to whatever you'd like.
If it's TPA, then once you're done changing the CSC, flash your device to the ASE7 May build and let it boot up, go through the setup wizard and it should say TPA/TPA,TPA/TPA.
Once you've confirmed that TPA is the active CSC, then you're good to go. Everything will work normally and you will get OTA updates as well.
I'm uploading the factory binary now, but since I don't recommend publicly posting the link, I'll PM it to you once it's done.
Hey guys, sorry if this has been asked and answered a thousand times but I'm a bit paranoid after doing the research and as this is a my new phone I don't want to do anything wrong.
I bought a carrier locked S10+ with MOB CSC, A1 carrier in Austria. The phone is now carrier unlocked and on latest MOB firmware which is May 1. sec. lvl. I want to flash the lastest released MULTI-CSC G975FXXU2ASF3 firmware from the firmware thread. As the phone is new and I didn't even set it up I planned to flash with CSC_OXM. From my understanding the phone will change to the SIMs CSC after the flash. Am I correct?
Am I able to do this as planned or is it not possible to flash MULTI-CSC over my MOB-CSC? Will I be able to receive OTA updates or do I need to flash everytime with ODIN after CSC change? Thanks in advance!
1. Launch your phone’s dialer, and type in the following code, and replace the italics text via your phone’s IMEI number. “*#272*Phone’s IMEI Here#”
2. Your phone will automatically pop up a screen, with some fancy codes all over it. Don’t freak out yet.
3. You will notice some codes with a radio button beside each and every one of it. These are the CSC codes that your galaxy device supports.
4. All you need to do is select the one code that fancies you, and head over back to home.
5. Now, your device will automatically restart, and factory reset itself.
EMSpilot said:
1. Launch your phone’s dialer, and type in the following code, and replace the italics text via your phone’s IMEI number. “*#272*Phone’s IMEI Here#”
2. Your phone will automatically pop up a screen, with some fancy codes all over it. Don’t freak out yet.
3. You will notice some codes with a radio button beside each and every one of it. These are the CSC codes that your galaxy device supports.
4. All you need to do is select the one code that fancies you, and head over back to home.
5. Now, your device will automatically restart, and factory reset itself.
Click to expand...
Click to collapse
Bad idea.
I did dis using the code with s10+ but aftr csc change from INS to BTU i couldn't go bk to original csc using the same *#272*imei# method. None of d known csc changing methods worked 2 go bk 2 original csc. Combination fwrs also dint work due to Samsung restrictions. Samsung service centre also couldn't fix & then Samsung replaced the phone finally. It ws a nightmare.
same on one of my devices A102U or A505U cantbremember which right now and dont have it on me but it only worked when i had a sprint sim in for some reason then i changed it to gcf then the code no longer worked lol.. so its stuck in gcf as i cannot find another way to change csc and both do not allow flashing combo firmware lol
although its not bad.. itssimilar to using xaa firmware and network info is set automatically with new sim..
i believe it only works on certain csc so have a backup plan if you plan on messin with it
Hey Guys,
Just wanted to check whether any working methods are around to change the CSC of a Note 10+
Couldn't find any guides apart from the ones which are in Note 9 Sections.
Any support on this is much appreciated!
JazonX said:
Hey Guys,
Just wanted to check whether any working methods are around to change the CSC of a Note 10+
Couldn't find any guides apart from the ones which are in Note 9 Sections.
Any support on this is much appreciated!
Click to expand...
Click to collapse
Im also looking for a solution for this. SamKey's paid service is apparently supporting this but im unsure of the method their software uses and its a paid service. Users in Australia (like me) are having issues with RCS services through Telstra (TEL) because the Open Variant bought direct from Samsung not having the correct CSC. Some users have reported changing the CSC through SamKey successfully.
I have tried flashing with Telstra firmware but no luck.
maeneak said:
Im also looking for a solution for this. SamKey's paid service is apparently supporting this but im unsure of the method their software uses and its a paid service. Users in Australia (like me) are having issues with RCS services through Telstra (TEL) because the Open Variant bought direct from Samsung not having the correct CSC. Some users have reported changing the CSC through SamKey successfully.
I have tried flashing with Telstra firmware but no luck.
Click to expand...
Click to collapse
Paid Service?
Damn... We are also headed towards a Huawei Future now?
JazonX said:
Hey Guys,
Just wanted to check whether any working methods are around to change the CSC of a Note 10+
Couldn't find any guides apart from the ones which are in Note 9 Sections.
Any support on this is much appreciated!
Click to expand...
Click to collapse
Yes I have changed my csc on my note 10+ unlocked by *#272*imei#
Learning0876 said:
Yes I have changed my csc on my note 10+ unlocked by *#272*imei#
Click to expand...
Click to collapse
i do this didn't work which rom you are
maeneak said:
Some users have reported changing the CSC through SamKey successfully.
Click to expand...
Click to collapse
Yes, the only one work for me. 976B
maeneak said:
Im also looking for a solution for this. SamKey's paid service is apparently supporting this but im unsure of the method their software uses and its a paid service. Users in Australia (like me) are having issues with RCS services through Telstra (TEL) because the Open Variant bought direct from Samsung not having the correct CSC. Some users have reported changing the CSC through SamKey successfully.
I have tried flashing with Telstra firmware but no luck.
Click to expand...
Click to collapse
I initially did *#272*IMEI# and was able to switch between CSC. When I switched to XAA, I was stuck and could not able to use the *#272*IMEI# anymore.. So I had XAA/XAA/ATT.. I saw many were stuck.
Found a solution that worked for me is as follows. Try at your own risk.
Downloaded the tool from
https://www.mysterious-dev.com/2020/05/changecsc-all-samsung-free-tool-android.html
and downloaded the ChangeCSC Software tool.. . watched the video couple of times.. The process lets you install custom THEME.. I was getting "Update" "Delete" and "Buy" ..
What did was
install another random theme
then went back to the program and clicked change CSC again
this time when I choose the custom theme pack, I saw the "Try now".. after that I followed the instruction to about phone->legal and clicked on CHANGE Carrier Android 10 and VOILA!!! I got that CSC change page.. I saw XAA was selected and I changed to TMB... after that "Sales& Network Code Change" and clicked ok.. .The phone restarted and saw the T-Mobile logo!!!!
I even tried the *#272*IMEI# and this time it worked and showed me the CSC screen!!!
Hope this helps anyone who is stuck...My phone now says TMB/TMB/ATT!!!
visualpro said:
I initially did *#272*IMEI# and was able to switch between CSC. When I switched to XAA, I was stuck and could not able to use the *#272*IMEI# anymore.. So I had XAA/XAA/ATT.. I saw many were stuck.
Found a solution that worked for me is as follows. Try at your own risk.
Downloaded the tool from
https://www.mysterious-dev.com/2020/05/changecsc-all-samsung-free-tool-android.html
and downloaded the ChangeCSC Software tool.. . watched the video couple of times.. The process lets you install custom THEME.. I was getting "Update" "Delete" and "Buy" ..
What did was
install another random theme
then went back to the program and clicked change CSC again
this time when I choose the custom theme pack, I saw the "Try now".. after that I followed the instruction to about phone->legal and clicked on CHANGE Carrier Android 10 and VOILA!!! I got that CSC change page.. I saw XAA was selected and I changed to TMB... after that "Sales& Network Code Change" and clicked ok.. .The phone restarted and saw the T-Mobile logo!!!!
I even tried the *#272*IMEI# and this time it worked and showed me the CSC screen!!!
Hope this helps anyone who is stuck...My phone now says TMB/TMB/ATT!!!
Click to expand...
Click to collapse
Did this method wipe your data and factory reset your phone?
alireza_simkesh said:
Did this method wipe your data and factory reset your phone?
Click to expand...
Click to collapse
Hello,
Prior to doing the process. I used smartswitch and backed up my phone completely.. I also did factory reset the phone.. *** Since I was going to use a new method/tool, I was not sure so wanted to make sure it does not interfere with any existing account/app on the phone. Once I was able to get to the CSC screen and changed to TMB, I went back again to make sure do a factory wipe and start complete fresh out. Hope this helps. Good luck!
visualpro said:
Hello,
Prior to doing the process. I used smartswitch and backed up my phone completely.. I also did factory reset the phone.. *** Since I was going to use a new method/tool, I was not sure so wanted to make sure it does not interfere with any existing account/app on the phone. Once I was able to get to the CSC screen and changed to TMB, I went back again to make sure do a factory wipe and start complete fresh out. Hope this helps. Good luck!
Click to expand...
Click to collapse
Thanks, but I am wondering if the tool wipes out the data on the phone?
The Mysterious Dev tool that you mentioned, when the tool was changing the CSC, did the tool factory reset your phone and wipe it?
JazonX said:
Hey Guys,
Just wanted to check whether any working methods are around to change the CSC of a Note 10+
Couldn't find any guides apart from the ones which are in Note 9 Sections.
Any support on this is much appreciated!
Click to expand...
Click to collapse
alireza_simkesh said:
Thanks, but I am wondering if the tool wipes out the data on the phone?
The Mysterious Dev tool that you mentioned, when the tool was changing the CSC, did the tool factory reset your phone and wipe it?
Click to expand...
Click to collapse
hmm.. don't recall if it wiped.. I already had T-Mobile sim inside.. so when I saw the CSC selection page and as soon I choose TMB it restarted and came with T-Mobile splash Page, at that point I know it worked, so before even finishing up the boot process, I rebooted in recovery and did the factory reset
alireza_simkesh said:
Thanks, but I am wondering if the tool wipes out the data on the phone?
The Mysterious Dev tool that you mentioned, when the tool was changing the CSC, did the tool factory reset your phone and wipe it?
Click to expand...
Click to collapse
I had to do the CSC changing today and it simply rebooted and displayed the new CSC logo. It was with AT&T and when I change it to TMB. I get the T-Mobile boot logo.. I was able to get back in to the device without loosing any data.. The CSC showed TMB/TMB/TMB.. But I noticed the ringer/notifications sound still remained the AT&T settings. So to answer your initial question, my phone didn't get wiped out when switching the CSC.
Thx
visualpro said:
I had to do the CSC changing today and it simply rebooted and displayed the new CSC logo. It was with AT&T and when I change it to TMB. I get the T-Mobile boot logo.. I was able to get back in to the device without loosing any data.. The CSC showed TMB/TMB/TMB.. But I noticed the ringer/notifications sound still remained the AT&T settings. So to answer your initial question, my phone didn't get wiped out when switching the CSC.
Thx
Click to expand...
Click to collapse
Thanks.
After changing your CSC to TMB, are you getting TMB updates (OTA) or ATT updates?
alireza_simkesh said:
Thanks.
After changing your CSC to TMB, are you getting TMB updates (OTA) or ATT updates?
Click to expand...
Click to collapse
After switching to TMB.. I have also wiped out and installed T-Mobile firmware via ODIN.. Getting all TMB OTA updates.
Learning0876 said:
Yes I have changed my csc on my note 10+ unlocked by *#272*imei#
Click to expand...
Click to collapse
Thank you very much. I was just able to unlock my N976U from tmobile to unlock model. I am also getting LTE finally
JazonX said:
Hey Guys,
Just wanted to check whether any working methods are around to change the CSC of a Note 10+
Couldn't find any guides apart from the ones which are in Note 9 Sections.
Any support on this is much appreciated!
Click to expand...
Click to collapse
I have found *some* Samsung models can still change CSC via firmware flash in Odin by following these pre requisites...
- disable find my phone
- sign out of Google and samsung accounts
- developer mode .... enable oem unlock
- flash a single CSC stock firmware in odin (do not use home-csc)
- phone will be completely wjped but after first boot and running setup, CSC will be change to match new firmware
Have any one tried
dezborders said:
I have found *some* Samsung models can still change CSC via firmware flash in Odin by following these pre requisites...
- disable find my phone
- sign out of Google and samsung accounts
- developer mode .... enable oem unlock
- flash a single CSC stock firmware in odin (do not use home-csc)
- phone will be completely wjped but after first boot and running setup, CSC will be change to match new firmware
Click to expand...
Click to collapse
CSC Change:
https://forum.xda-developers.com/galaxy-s20/how-to/free-csc-change-apk-s20-t4116015
SIMPLY DOWNLOAD GOOGLE PHONE APP , DIALL THIS CODE AND ALL CSC APEAR.
*#*#27262826#*#*
Back up first, Everything on the device will be deleted.
thanks @adeltamimy6
this worked for me changed to btu. but still not being offered one ui beta 3. any ideas do i need certain software on phone too phone is sm- n976b. If so what do i need
Samkey works and costs about $10 (Min 3 tokens and 1 token to change CSC) - done it several time on 3 of my Note10+ to change to Telstra CSC - VOLTE / WIFI Calling etc works afterward, It didnt Wipe either
checkout andtron.com
I have a Korean G960N device that has a lot of KT carrier bloatware, so I decided to flash a KOO unbranded Korean firmware, however even after flashing is successful the device still shows KT logo, bloatware, and several KT-related options in the 'Settings' app, as well as KTC in the "about device" option. how do I get rid of this ****.
Coomer91 said:
I have a Korean G960N device that has a lot of KT carrier bloatware, so I decided to flash a KOO unbranded Korean firmware, however even after flashing is successful the device still shows KT logo, bloatware, and several KT-related options in the 'Settings' app, as well as KTC in the "about device" option. how do I get rid of this ****.
Click to expand...
Click to collapse
flash the CSC not the HOME_CSC. The CSC file will factory reset it and remove any remnants of the previous carrier info including bootanimation, splash screen etc etc
Youdoofus said:
flash the CSC not the HOME_CSC. The CSC file will factory reset it and remove any remnants of the previous carrier info including bootanimation, splash screen etc etc
Click to expand...
Click to collapse
I know, and I did, and still shows KTC bloat including logo. I saw other people posting about the problem in other samsung device forums but didn't find an explanation. I wish there was a unified forum for these general samsung issues, so that they'll get the largest amount of attention possible.
Coomer91 said:
I know, and I did, and still shows KTC bloat including logo. I saw other people posting about the problem in other samsung device forums but didn't find an explanation. I wish there was a unified forum for these general samsung issues, so that they'll get the largest amount of attention possible.
Click to expand...
Click to collapse
can you grab a multi csc and flash it without the sim card in it?
Youdoofus said:
can you grab a multi csc and flash it without the sim card in it?
Click to expand...
Click to collapse
lel, I've been trying to flash an international firmware for 6 months now without success, it's always some damn PIT error, tried everything Patched Odin, with PIT file, without PIT file, with NAND erase, without NAND erase, EVERYTHING, and none of it works, and no one on the internet confirmed that flashing an international G960F firmware on a Korean G960N device actually succeeds. just check my post history to see all the posts I made about the issue.
Coomer91 said:
lel, I've been trying to flash an international firmware for 6 months now without success, it's always some damn PIT error, tried everything Patched Odin, with PIT file, without PIT file, with NAND erase, without NAND erase, EVERYTHING, and none of it works, and no one on the internet confirmed that flashing an international G960F firmware on a Korean G960N device actually succeeds. just check my post history to see all the posts I made about the issue.
Click to expand...
Click to collapse
doesnt surprise me that the F firmware worked on a N device at all. Both are Exynos chipsets, so there isnt really a reason for it to not work. 6 months you say? @AthieN have any ideas?
Youdoofus said:
doesnt surprise me that the F firmware worked on a N device at all. Both are Exynos chipsets, so there isnt really a reason for it to not work. 6 months you say? @AthieN have any ideas?
Click to expand...
Click to collapse
Either the firmware being flashed is mislabeled, or it's not truly flashing. I've seen where Odin says it was successful, but not really... That could be a whole different set of reasons why it's not working though.
My suggestion is re-download the firmware, from a trusted source and try again.
i'm having the same issue as the first post , i have a s10e sm-g970n and it's on sk telecom carrier sh*** , it doesn't want to dissapear even by using the KOO firmware (G970NKSU3BSKO) it's driving me crazy ! this was already in KOO firmware before i tried the custom recovery and custom rom and all , now i just want to go STOCK and this isn't willing to install a stock version without sk telesh*** without bloot ... anyone can help me ?
225franc said:
i'm having the same issue as the first post , i have a s10e sm-g970n and it's on sk telecom carrier sh*** , it doesn't want to dissapear even by using the KOO firmware (G970NKSU3BSKO) it's driving me crazy ! this was already in KOO firmware before i tried the custom recovery and custom rom and all , now i just want to go STOCK and this isn't willing to install a stock version without sk telesh*** without bloot ... anyone can help me ?
Click to expand...
Click to collapse
often times the phone is being told what carrier youre on by the sim card, then if the phone has that carriers CSC in its internal database (in the case of multi-CSC firmware sets) the phone will recognize the carrier and then install the carrier specific crap. I use the U1 firmware and dont have any of the carrier junk that it originally came with. I got it on a Cricket offer and very quickly got rid of all the Cricket junk by flashing the U1 firmware
I successfully changed CSC to KOO on my G960N after it was SKT to do that i had to
- root the device
- install phone info app
- use the tool to change csc
You will have a choice of 4 CSCs choose KOO and install
PS : backup data as it will be erased
numpea said:
I successfully changed CSC to KOO on my G960N after it was SKT to do that i had to
- root the device
- install phone info app
- use the tool to change csc
You will have a choice of 4 CSCs choose KOO and install
PS : backup data as it will be erased
Click to expand...
Click to collapse
Thanks again for this help bro , i already forgot about the csc code changing , only thing who were annoying to me were the SKC blootware and bootanimation
i succefully uninstalled the blootware after rooting and using root uninstaller pro , then about the bootanimation i couldn't find any way to change (even by changing files into system/media/ ) , so i just left it
but good thing you gave us the steps , maybe it will help one guy who is willing to change his CSC code
225franc said:
Thanks again for this help bro , i already forgot about the csc code changing , only thing who were annoying to me were the SKC blootware and bootanimation
i succefully uninstalled the blootware after rooting and using root uninstaller pro , then about the bootanimation i couldn't find any way to change (even by changing files into system/media/ ) , so i just left it
but good thing you gave us the steps , maybe it will help one guy who is willing to change his CSC code
Click to expand...
Click to collapse
When you change the csc code to KOO it will be as an european model the bootanimation will normal and the settings page will be as normal as it can be without korean trach
numpea said:
When you change the csc code to KOO it will be as an european model the bootanimation will normal and the settings page will be as normal as it can be without korean trach
Click to expand...
Click to collapse
Will i loose the magisk root if i change the csc code ?
Also can TWRP be installed when Magisk is there ?
225franc said:
Will i loose the magisk root if i change the csc code ?
Also can TWRP be installed when Magisk is there ?
Click to expand...
Click to collapse
Do a backup with twrp when you change csc it will erase data and you will loose magisk all you have to do is go back to recovery and restore the backup ( backup only data )
Twrpcan always be installed with odin with or without magisk
Alright bro , thx again for the help !
Hello everyone. So I have a S20 Ultra SM-G988N. Its a Korean variant with a Snapdragon Chipset. It has the option OEM unlock and all so the device is rooted. I also was able to change my CSC without doing a data wipe...
What I did was go into the root of the phone into /ets/imei/mps_code.dat. I opened that file with text editor. For me it came up empty so I added the text "KOO" with a different text editor because the one provided by my Root Explorer wasn't letting me edit it. Once I added that in I restarted my phone. My phone started up, had the regular Samsung Logo. But if course some of the blostware is there.
My big issue is the phone connects to Korean things as in some apps will say my Region is Korean. For example my Weather widget (Samsung App) would only let me pick location by state, or country. I can't choose the town I live in nor does the app knows my correct location. It would say I'm in Bethpage Korea.
So my question is because the SM-G988N has a Snapdragon Chipset, would I be able to Flash an U1 Variant Home CSC Using Odin? This way I have multiple CSCs which I can then use to debloat and get the phone to be like US Version.
Coomer91 said:
I have a Korean G960N device that has a lot of KT carrier bloatware, so I decided to flash a KOO unbranded Korean firmware, however even after flashing is successful the device still shows KT logo, bloatware, and several KT-related options in the 'Settings' app, as well as KTC in the "about device" option. how do I get rid of this ****.
Click to expand...
Click to collapse
hi do you know where i can download that firmware which shows KT logo i searched everywhere but i couldn't find always shows SKC
numpea said:
I successfully changed CSC to KOO on my G960N after it was SKT to do that i had to
- root the device
- install phone info app
- use the tool to change csc
You will have a choice of 4 CSCs choose KOO and install
PS : backup data as it will be erased
Click to expand...
Click to collapse
Thank you for your share. I did the same process as you, but in the phone info app, when i select "Change CSC" it deliver this message: Try opening secret code... then nothing shows up. I'm glad if you could help
THanks
BChamp said:
Hello everyone. So I have a S20 Ultra SM-G988N. Its a Korean variant with a Snapdragon Chipset. It has the option OEM unlock and all so the device is rooted. I also was able to change my CSC without doing a data wipe...
What I did was go into the root of the phone into /ets/imei/mps_code.dat. I opened that file with text editor. For me it came up empty so I added the text "KOO" with a different text editor because the one provided by my Root Explorer wasn't letting me edit it. Once I added that in I restarted my phone. My phone started up, had the regular Samsung Logo. But if course some of the blostware is there.
My big issue is the phone connects to Korean things as in some apps will say my Region is Korean. For example my Weather widget (Samsung App) would only let me pick location by state, or country. I can't choose the town I live in nor does the app knows my correct location. It would say I'm in Bethpage Korea.
So my question is because the SM-G988N has a Snapdragon Chipset, would I be able to Flash an U1 Variant Home CSC Using Odin? This way I have multiple CSCs which I can then use to debloat and get the phone to be like US Version.
Click to expand...
Click to collapse
yes it works, I did the same on an S20FE Korean version, Root + unlock BL needed though.
saoudien07 said:
yes it works, I did the same on an S20FE Korean version, Root + unlock BL needed though.
Click to expand...
Click to collapse
if i want to flash in KOO Flash pack, is it necessary to unlock bootloader and root? Is there any way to be able to root without losing Samsung Knox?
Hi,
I've got a Samsung A50 that I originally got from Xfinity Mobile, a Verizon MVNO. It worked fine when I switched to T-Mobile but wouldn't work on US Mobile, another Verizon MVNO, because on this model you can't change the APN's manually. I suspect that although it was supposed to be unlocked, Xfinity messed with the ROM to make it harder to use on other Verizon services.
Question: Is there a way I could reflash this so it would be a more standard A50, and allow me to edit APN's and then use it on US Mobile. I like the phone, and would love to keep using it but need to be able to manually edit APN's.
thanks for your help.
android94301 said:
Hi,
I've got a Samsung A50 that I originally got from Xfinity Mobile, a Verizon MVNO. It worked fine when I switched to T-Mobile but wouldn't work on US Mobile, another Verizon MVNO, because on this model you can't change the APN's manually. I suspect that although it was supposed to be unlocked, Xfinity messed with the ROM to make it harder to use on other Verizon services.
Question: Is there afway I could reflash this so it would be a more standard A50, and allow me to edit APN's and then use it on US Mobile. I like the phone, and would love to keep using it but need to be able to manually edit APN's.
thanks for your help.
Click to expand...
Click to collapse
I'm going to revise and revisit my post so that this goes a little more concisely for anyone who wants to do it in the future - Thanks for hanging in with me Android, too little sleep and time... LOL
Changing your device to VZW CSC - YES So this can certainly be done - XFinity exclusively runs on Verizon's network so your hardware won't give you any issues, you just need new ROM software. Let's start with first things first - did you pay off the device with Xfinity/Comcast and request the code from them to Carrier Unlock (OR carrier unlock it elsewhere) - because we'll need the hardware to be carrier unlocked before we continue too far down the road. I assumed you had - but to generalize it for everyone getting your device carrier unlocked so we CAN change its CSC will be step 1.
1. Make sure your device is Carrier Unlocked - (Will take the sim of any carrier it supports in hardware - not locked to XfinityMobile_ IF you paid off your phone with Xfinity Mobile you can just call them and request an unlock code and they'll send you one - if they can't/won't Samkey has 2 code readers - 1 of them oughta work PM me...
2. Now that you have an unlocked device your hardware will allow you to change CSC flash a new ROM, etc, but you still need the software for that VZW )Verizon) CSC to be available before you can switch your device to it. The vest way to accomplish this purpose is to crossflash yoru device from the carrier specific ROM device you have now the SM-A505U CCT to the SM-A505U1 XAA which is the US multi=carrier rom which wou ld have come with your phone if your bought an unlocked unbranded device fro Samsung direct in the first place - you can turn your unlocked U device into a U1 and back though why you'd want to??? by using the RaymondPatched Odin which will ignore the checks that it's the same model.
The ODIN you shall use for the purpose is the 3.14.1 3B Patched ODIN, and you may find a copy of it in many places one of which is: https://odindownload.club/odin-3-14-1-patched-modded-for-windows/
You shall also need the ROM to flash - it's the ROM for the SM-A505U1 device with the XAA CSC which supports many carriers CSC including yours VZW. One place I like to find such a ROM is at samfw.com but you can use freyja tool and download it directly from Samsung if you wish - you'll just have to work a little harder... If you did this today - this would be the most current rom - just visit the device page for updates US XAA device main page https://samfw.com/firmware/SM-A505U1
Current ROM https://samfw.com/firmware/SM-A505U1/XAA/A505U1UESCCUD2
DL the ROM, unzip it, Make a backup - this will wipe your device and it should to give you a clean install and save probs down the road - use the CSC full file in the Odin slot for CSC not the CSC_Home which will save your data- you don't want to dirty flash a ROM change - the wipe will be better long term... Just backup your stuff first.
Flash your XAA rom to the device- after taking out your SIM of course....
Reboot, insert the VZW Verizon sim - should see that it's setting your device to the Verizon CSC - Profit...
If not, Use Samkey again or the code - but take the 2 off the end for Android 10. Other codes forthcoming to enter engineering - I'm tired just ask...
Good luck
L4XS
I appreciate your help. I believe USC is US Cellular, but I am using US Mobile, a Verizon MVNO so I would need VZW as my CSC. Would SamKey method allow me to change to VZW?
APN Chooser just shortcuts to the Access Points settings, where the add button and the reset to default are greyed out and not functional.
L!V3_4_XC3SS said:
I have an Xfinity device, what they've done with my device is left the underlying functionality intact, but just hidden the menu - with my formerly carrier locked device I took the action of downloading the APN Chooser app from the play store and was able to access the menu to edit my apn settings in this fashion.
You could also potentially buy a couple of SamKey credits and change your CSC to USC from CCT if the combo rom is installed on that phone, but YMMV depending on what Xfinity did to its rom.
If that fails the stock rom for your device (Your current CSC is CCT for Comcast/Xfinity Mobile) can be downloaded from https://samfw.com/firmware/SM-A505U and flashed with Odin or Heimdall either of which can be downloaded there as well - the latest rom of your phone with the US cellular CSC (carrier/country specific code) USC for settings and software is located at https://samfw.com/firmware/SM-A505U/USC/A505USQSCDUE1 Or you can look through all the roms and see which version you want if you don't want the latest and greatest for some reason.
Once again it will WIPE your device - backup what you want . I think I have an extra samkey credit you can have if you want to try that first hit me up in the PMs --
L4XS
PS - If you love US Cellular great - flash the Rom in my link- but if you think you might want to change again flash the XAS ROM (US Wholesale multi-carrier) which you can find easily from the first link on SamFW.com or you can use frija tool from the Samsung servers or whichever ROM source you prefer - if you install that one the CSC will switch to the settings of whatever carrier's sim you put in - you can see the carriers included on each rom by searching your model on samfw.com.
Click to expand...
Click to collapse
There's a good place to edit instead of making you read through the old stuff that's we found out is irrelevant. Comcast and Xfinity which are the same thing and Verizon both love to mess with their ROMS, The really the only way to proceed here and I know it gave you a scary message but if you already have your device unlocked directly from Xfinity they should have given you a code if you asked for one when you paid it off and you obviously have one or else you wouldn't have been able to use a T-Mobile SIM. Since the one-time thing if your device is unlocked it's unlocked perpetually. Which means now you can change by flashing from a single CSC ROM sm-a505u U model crossflash it with the patched Odin by Raymond will work that's 3 14. 1- B3 Patched crossflashb a U1 multi-device XAA rom regardless of whatever scary warning Samkey showed you.
They're easy to find or I can even attach him you can find the ROM on Samfw.com
Define the latest xaa ROM for the
PS - If you love US Cellular great - flash the Rom in my link- but if you think you might want to change again flash the XAS ROM (US Wholesale multi-carrier) which you can find easily from the first link on SamFW.com or you can use frija tool from the Samsung servers or whichever ROM source you prefer - if you install that one the CSC will switch to the settings of whatever carrier's sim you put in - you can see the carriers included on each rom by searching your model on samfw.com.
L!V3_4_XC3SS said:
Looks like I was reading too quickly... LOL - Yeah so with the US Mobile MVNO the best route is to do exactly that - change your CSC to VZW which is Verizon which network it's US Mobile MVNO's - and then manually enter the proper settings for your APN once you've inserted that sim - it will likely get you the correct default settings if you reset your network settings in the settings > General >reset network as the Verizon network knows how to handle US mobile sim traffic - but it's not a big deal to enter manually. If you don't have the functionality after a CSC change you'll have to change CSC and flash the VZW Rom which will definitely do the deed -
Try samkey First it's easier - I'll send you a u/p that I stil have
Click to expand...
Click to collapse
Thanks! I appreciate it. Fingers crossed.
So I checked the CSC on the phone after Odining a current Verizon firmware, but it is still CCT,CCT,CCT (comcast).
The version SW info is: A505USQSCDUE2/A505UOYNCDUE2/A505USQSCDUE2/A505USQSCDUE2
Using Samkey, it gives me an ominous warning. Says: "Your phone has special carrier settings. It is not recommended to change CSC on this model. Because Security Area (SEC) may get "Relocked" and no way to unlock it again. "
So I bailed. Any ideas? I don't understand the warning. What would happen if I continued? Is there another option?
My phone has android 11, maybe that is the problem?
I am wondering if I should use the patched Odin and try again. Or just dump this phone and buy another? Help is very appreciated.
Ohhkay then... Let's get done for you what you wanted here... full change to VZW as your CSC --- You're not far off - CCT, is Xfinity Mobile - which is an MVNO that runs exclusively on the Verizon (VZW) network so I guess it was close- It would only have switched again if the phone had Xfinity sim into a device with relevant multi-CSC firmware... That being said, - If you want to switch it to Verizon on a device with either the multi-rom XAA or the VZW ROM that you flashed plus a SIM from the relevant network - or if you're a crazy like me who like to use 2 different CSC's on a dual-sim device - you don't even need more codes of SamKey -- do the following methodology and you should get what you want.
Using Google's phone dialer or a dialer of your choice that allows codes to be initialized - if you have stock Samsung phone you can try this minus the outside set of *# #* and see what you get...
Enter the Service Mode on your device as follows: Using the dialer from above type into ita *#*#276633683782#*#* -- This is for Android 11 OneUI 3.0+ take off the 2 for an older version Samsung device if you want to generalize my instructions.
You will enter the engineering menus at (5) RF TEST -- You may not use your normal back key to navigate here, you will exit the menus... Instead you will select the 3 dots top right corner which gives you the options - END, BACK, HELP, WIFI -- End/Back are going to be the ones that are relevant - don't bother with help it's not helpful... Back - the obvious, END, kicks you out of engineering and back to your phone.
Select your only choice - 5 RF TEST - and then a couple more random things (DON'T mess with the settings unless you know what it does) until it kicks you back to the full main menu.
It's going to have options 1-7 and say MAIN MENU at the top - You will be selecting option 1 - PROTOCOL STATE , then at the following menu Select 6 - PROTOCOL SIMULATION which you select and then you will be brought to a 3 option PROTOCOL SIMULATION menu -- Select 2 IMEI PRE CFG SIMULATION - which will take you to a 5 option menu - AP - (YOUR CURRENT CSC) --> and then you get to choose CSC options that you have available to simulate - but the thing is when you reboot after simming it, it will change your CSC settings for real if you've got a SIM and ROM from VZW or the Multi carrier XAA rom. - If you've got a verizon sim you should be able to change the 2 options CSC of AP and NET1 to VZW which will put you where you need to be - or some of the other US carriers... - Change the top 2 (or 3 if you have a dual sim device setup) CSC's to your preference - write them, reboot, It'll see your sim and change to your VZW network you wanted in the first place.
Let me know how this goes for you - I've done everything you can do with that phone - if you've got the right ROM on there which do - I'll bet you can get it to a VZW stock device - install their apps, delete their bloatware with the ADB command line, and you should be good.
Good luck bud, Let me know how it goes..
L4XS
L!V3_4_XC3SS said:
Ohhkay then... Let's get done for you what you wanted here... full change to VZW as your CSC --- You're not far off - CCT, is Xfinity Mobile - which is an MVNO that runs exclusively on the Verizon (VZW) network so I guess it was close- It would only have switched again if the phone had Xfinity sim into a device with relevant multi-CSC firmware... That being said, - If you want to switch it to Verizon on a device with either the multi-rom XAA or the VZW ROM that you flashed plus a SIM from the relevant network - or if you're a crazy like me who like to use 2 different CSC's on a dual-sim device - you don't even need more codes of SamKey -- do the following methodology and you should get what you want.
Using Google's phone dialer or a dialer of your choice that allows codes to be initialized - if you have stock Samsung phone you can try this minus the outside set of *# #* and see what you get...
Enter the Service Mode on your device as follows: Using the dialer from above type into ita *#*#276633683782#*#* -- This is for Android 11 OneUI 3.0+ take off the 2 for an older version Samsung device if you want to generalize my instructions.
You will enter the engineering menus at (5) RF TEST -- You may not use your normal back key to navigate here, you will exit the menus... Instead you will select the 3 dots top right corner which gives you the options - END, BACK, HELP, WIFI -- End/Back are going to be the ones that are relevant - don't bother with help it's not helpful... Back - the obvious, END, kicks you out of engineering and back to your phone.
Select your only choice - 5 RF TEST - and then a couple more random things (DON'T mess with the settings unless you know what it does) until it kicks you back to the full main menu.
It's going to have options 1-7 and say MAIN MENU at the top - You will be selecting option 1 - PROTOCOL STATE , then at the following menu Select 6 - PROTOCOL SIMULATION which you select and then you will be brought to a 3 option PROTOCOL SIMULATION menu -- Select 2 IMEI PRE CFG SIMULATION - which will take you to a 5 option menu - AP - (YOUR CURRENT CSC) --> and then you get to choose CSC options that you have available to simulate - but the thing is when you reboot after simming it, it will change your CSC settings for real if you've got a SIM and ROM from VZW or the Multi carrier XAA rom. - If you've got a verizon sim you should be able to change the 2 options CSC of AP and NET1 to VZW which will put you where you need to be - or some of the other US carriers... - Change the top 2 (or 3 if you have a dual sim device setup) CSC's to your preference - write them, reboot, It'll see your sim and change to your VZW network you wanted in the first place.
Let me know how this goes for you - I've done everything you can do with that phone - if you've got the right ROM on there which do - I'll bet you can get it to a VZW stock device - install their apps, delete their bloatware with the ADB command line, and you should be good.
Good luck bud, Let me know how it goes..
L4XS
Click to expand...
Click to collapse
The first step gets me in HW test, and then I can't get anywhere else.
So thanks for the updating of your ROM and Device specs, and that shed the light necessary for me to understand where we are at with your device...
So the reason this has happened is because this was an originally carrier locked - model U with only a specific carrier's ROM prob the Xfinity CCT - that's the only thing it could give you as far as a CSC which is why SamKey didn't get it done for you. I'll be happy to give you another SamKey code but you won't need it - and I'll also give you a different corrected code for entry intp the menus for the second methodology I spoke about as well...
To fix this situation you'll need:
A copy of the Raymond patch version of Odin which is 3.14.1 3B Patched you can search or here's one place -- https://odindownload.club/odin-3-14-1-patched-modded-for-windows/
It needs to be patched even though you're flashing stock FW because you're going to crossflash a U device to a U1 rom which is fine 'cus it's the same hardware but full official Odin still wouldnt' allow it. This will allow you to flash a rom to your device with the XAA CSC which the multi rom... it supports myriad US carriers including the one you want. VZW...
Remember that you're going to want to backup important data before you execute this procedure - you always want to use the full CSC file in the relevant Odin slot when you change a device's ROM not the HOME_CSC (you can get away with it if you're changing CSC on same rom) because you need a wipe to ensure the best possible flash on your device - don't dirty flash the U1 ROM in an attempt to avoid backup & keep your data it will bring problems down the road.
Take out your sim before flashing the new rom
Flash your SM-A505u device with the orginal CCT CSC to a u1 (originally unlocked) device with the XAA CSC as follows:
Download the latest XAA rom for the sm-A505U1 device
here's one place that usually does a decent speed download:
https://samfw.com/firmware/SM-A505U1 then go choose XAA in the CSC box,
If you did it today this would be the latest ROM https://samfw.com/firmware/SM-A505U1/XAA/A505U1UESCCUD2
I usually recommend the latest unless you have some reason you don't want to increment your bootloader or etc. not usually relevant.
You have the patched ODIN from above, already, so now you DL the latest rom for the U1 device with the XAA CSC (American Multi-rom has a bunch of US CSC's
Extract the ODIN, unzip the Rom zip file into its parts - run the ODIN find the unzipped roms pieces and put them where they go -- except home_csc won't need that one this time. Reboot phone into download/odin mode adb reboot download at the adb prompt ought to do it 4u, and then when it comes up you can flash the rom... as i stated above
After a successful flash/reboot change CSC to VZW by rebooting after you insert the sim card of your preferred network and then it should change you over to the new CSC appropriately. In your case VZW (Verizon) should be on point.
If for some reason it doesn't, I'll give you another samkey credit or you can go for the 2nd method you won't need any credits - enter the service mode by
*#*#197328640#*#* instead of my first code and let's see where that gets us...
You could use this same situation for an international A50 device but you'd have to sub the correct ROM for your region..
Sorry this one was a little convoluted but we'll get there... Maybe I'll come back and clean it when it works for you so it will be more useful to others.
L4XS
android94301 said:
So I checked the CSC on the phone after Odining a current Verizon firmware, but it is still CCT,CCT,CCT (comcast).
The version SW info is: A505USQSCDUE2/A505UOYNCDUE2/A505USQSCDUE2/A505USQSCDUE2
Using Samkey, it gives me an ominous warning. Says: "Your phone has special carrier settings. It is not recommended to change CSC on this model. Because Security Area (SEC) may get "Relocked" and no way to unlock it again. "
So I bailed. Any ideas? I don't understand the warning. What would happen if I continued? Is there another option?
My phone has android 11, maybe that is the problem?
I am wondering if I should use the patched Odin and try again. Or just dump this phone and buy another? Help is very appreciated.
android94301 said:
The first step gets me in HW test, and then I can't get anywhere else.
Click to expand...
Click to collapse
Click to expand...
Click to collapse
android94301 said:
So I checked the CSC on the phone after Odining a current Verizon firmware, but it is still CCT,CCT,CCT (comcast).
The version SW info is: A505USQSCDUE2/A505UOYNCDUE2/A505USQSCDUE2/A505USQSCDUE2
Using Samkey, it gives me an ominous warning. Says: "Your phone has special carrier settings. It is not recommended to change CSC on this model. Because Security Area (SEC) may get "Relocked" and no way to unlock it again. "
So I bailed. Any ideas? I don't understand the warning. What would happen if I continued? Is there another option?
My phone has android 11, maybe that is the problem?
I am wondering if I should use the patched Odin and try again. Or just dump this phone and buy another? Help is very appreciated.
Click to expand...
Click to collapse
You aren't going to get locked out because you are going to get rid of that RoM that Comcast and Verizon have done a number on you got a proceed by a cross flashing your device which is hardware identical to the U1 unlocked device with the US multi-rom which is the XAA ROM available on samfw.com. Search sm-A505U1 then XAA there will be a bunch of cscs in most every us provider but that's what the xaa multi-rom does.. it gives you an unbranded device and then when you put in that Verizon sim you should switch you over automatically.. in other words with a SIM card from Verizon you should end up with the VZW CSC accordingly... But if not you can use the two methods one of Sam key you certainly welcome to have another credit or two if you need them. You're not going to break your device or leave it permanently locked and you're not getting much utility out of the damn thing anyway as is but I've done Chimera on flashing I've done all sorts of crazy things to the Samsung devices and you really they're pretty hard to break if you really really know what you're doing and how to restore things even from the Qualcomm edl mode I mean that modem is always listening for something you got to cross flash to that XAA ROM once you've done that with patched Odin your device will for all intents and purposes be exactly like the unlocked device that somebody bought directly from Samsung in the first place. I'm not going to attach the xaa ROM for obvious reasons but here's the correct Odin.
L!V3_4_XC3SS said:
So thanks for the updating of your ROM and Device specs, and that shed the light necessary for me to understand where we are at with your device...
So the reason this has happened is because this was an originally carrier locked - model U with only a specific carrier's ROM prob the Xfinity CCT - that's the only thing it could give you as far as a CSC which is why SamKey didn't get it done for you. I'll be happy to give you another SamKey code but you won't need it - and I'll also give you a different corrected code for entry intp the menus for the second methodology I spoke about as well...
To fix this situation you'll need:
A copy of the Raymond patch version of Odin which is 3.14.1 3B Patched you can search or here's one place -- https://odindownload.club/odin-3-14-1-patched-modded-for-windows/
It needs to be patched even though you're flashing stock FW because you're going to crossflash a U device to a U1 rom which is fine 'cus it's the same hardware but full official Odin still wouldnt' allow it. This will allow you to flash a rom to your device with the XAA CSC which the multi rom... it supports myriad US carriers including the one you want. VZW...
Remember that you're going to want to backup important data before you execute this procedure - you always want to use the full CSC file in the relevant Odin slot when you change a device's ROM not the HOME_CSC (you can get away with it if you're changing CSC on same rom) because you need a wipe to ensure the best possible flash on your device - don't dirty flash the U1 ROM in an attempt to avoid backup & keep your data it will bring problems down the road.
Take out your sim before flashing the new rom
Flash your SM-A505u device with the orginal CCT CSC to a u1 (originally unlocked) device with the XAA CSC as follows:
Download the latest XAA rom for the sm-A505U1 device
here's one place that usually does a decent speed download:
https://samfw.com/firmware/SM-A505U1 then go choose XAA in the CSC box,
If you did it today this would be the latest ROM https://samfw.com/firmware/SM-A505U1/XAA/A505U1UESCCUD2
I usually recommend the latest unless you have some reason you don't want to increment your bootloader or etc. not usually relevant.
You have the patched ODIN from above, already, so now you DL the latest rom for the U1 device with the XAA CSC (American Multi-rom has a bunch of US CSC's
Extract the ODIN, unzip the Rom zip file into its parts - run the ODIN find the unzipped roms pieces and put them where they go -- except home_csc won't need that one this time. Reboot phone into download/odin mode adb reboot download at the adb prompt ought to do it 4u, and then when it comes up you can flash the rom... as i stated above
After a successful flash/reboot change CSC to VZW by rebooting after you insert the sim card of your preferred network and then it should change you over to the new CSC appropriately. In your case VZW (Verizon) should be on point.
If for some reason it doesn't, I'll give you another samkey credit or you can go for the 2nd method you won't need any credits - enter the service mode by
*#*#197328640#*#* instead of my first code and let's see where that gets us...
You could use this same situation for an international A50 device but you'd have to sub the correct ROM for your region..
Sorry this one was a little convoluted but we'll get there... Maybe I'll come back and clean it when it works for you so it will be more useful to others.
L4XS
Click to expand...
Click to collapse
Yay! success at last. I can't thank you enough. Did what you said, it flashed fine, and inserted my Verizon sim, and the phone switched right over. Phone works, for data, text and voice!
Interestingly enough, the APN section of settings is still greyed out for adding or editing APN's, but since everything is working, I can live with that.
Best of all, no more Xfinity Mobile branding on the phone!
Thanks a million.
android94301 said:
Yay! success at last. I can't thank you enough. Did what you said, it flashed fine, and inserted my Verizon sim, and the phone switched right over. Phone works, for data, text and voice!
Interestingly enough, the APN section of settings is still greyed out for adding or editing APN's, but since everything is working, I can live with that.
Best of all, no more Xfinity Mobile branding on the phone!
Thanks a million.
Click to expand...
Click to collapse
I'm glad you were able to achieve a good outcome finally brother just had to fully understand where we started before we could get to the finish line-
FYI, I think in this case the grayed APN's are because it's actually being managed by Verizon's high permissioned carrier specific app which has the ability to enable/disable settings which it wants to take over itself and manage this 4u - they will send out configuration info over the air and your device will make the adjustment automatically with no intervention required from Joe User. Verizon is notorious for thinking they know better and doing this sort of thing - Xfinity that you had before runs entirely on the VZW network so you probably had the same thing there... you might be able to get em with an management app or a hiddensettings app if you really want to play around with your APN's but Verizon's thing actually does a pretty good job of keeping you on the network at a decent speed - most people wouldn't be able to improve on the verizon privileged app and it's management anyway so there's not much upside to making minor tweaks.
Hope you enjoy your sojourn on the Verizon network
L4XS
Howdy all-
I have a similar situation....I have a Galaxy A50 that was previously on Xfinity mobile. I just unlocked it with the code Xfinity provided but it is not working on US Mobile for me. No voice, text or data. USMobile tech support says it could take a day or two to "fully" unlock but I think that is a crock of $hit.
I can't change APNs and Network Operator is greyed out and says Xfinity Mobile with the new US Mobile SIM card installed.
It's my son's phone and I really do not want to wipe it to make it usable on US Mobile. Any way to adjust the settings without wiping the phone?
ClockerXP said:
Howdy all-
I have a similar situation....I have a Galaxy A50 that was previously on Xfinity mobile. I just unlocked it with the code Xfinity provided but it is not working on US Mobile for me. No voice, text or data. USMobile tech support says it could take a day or two to "fully" unlock but I think that is a crock of $hit.
I can't change APNs and Network Operator is greyed out and says Xfinity Mobile with the new US Mobile SIM card installed.
It's my son's phone and I really do not want to wipe it to make it usable on US Mobile. Any way to adjust the settings without wiping the phone?
Click to expand...
Click to collapse
So you have an unlocked phone orignating with Xfinity Mobile -
I'll tell ya that's a complete crock of **** - just a phone rep not wanting to ruin his call stats actually trying to solve your problem - they don't have the knowledge to do it anyway so don't worry about it. So you want to get it to work on US Cellular's network without any love - which version of Android is it running? 10?
Tell me what it says in the APN if you have access to APN settings... What I'm asking is does it have any correct settings for US Mobile, or is it still pointing to the Xfinity servers (Verizon) because that could very well be the issue is that your phone needs to be provisioned on the network.
I assume your US Mobile sim is active, just not connecting in that hardware? type into the Samsung dialer (Phone) if you haven't changed anything, *#4636#* put another set of *# #* on the outside if you're using google dialer, shift the cell info refresh rate toggle to immediate, and tell me which toggles are set to provisioned. Go ahead and scroll down to the bottom, trigger a carrier provisioning event there and let's see if that gives us anything.
Thanks for taking the time to try to help me out.
I can get to the APN setting screen but when I get there, all that I see is that it says " Access Point Name settings are not available for this user " . I cannot add or edit anything like I have done on other phones (like my GS9 for example).
It is running Android 11 and I 'unlocked' it using the code provided by Xfinity Mobile although it seems the code does not fully unlock the thing.
I'm trying to get it to work on US Mobile by the way NOT US Cellular (they are different, right?)
Obviously we
ClockerXP said:
Thanks for taking the time to try to help me out.
I can get to the APN setting screen but when I get there, all that I see is that it says " Access Point Name settings are not available for this user " . I cannot add or edit anything like I have done on other phones (like my GS9 for example).
It is running Android 11 and I 'unlocked' it using the code provided by Xfinity Mobile although it seems the code does not fully unlock the thing.
I'm trying to get it to work on US Mobile by the way NOT US Cellular (they are different, right?)
Click to expand...
Click to collapse
Yes they are certainly different US Mobile is an MVNO that operates on Tmobile and Verizon, so thanks for making that clear. OK so your phone is unlocked for network but Verizon/Xfinity (operates on Verizon network exclusivey) like to mess around with their roms and there's a secondary lock sometines on these devices which greys out the APN - they dont want the end user to be able to mess with it... first of all do you have the option to reset the APN settings? Sometimes that will push it out as it did for the OP of this thread. I'm not sure I've ever seen a viable solution to access this greyed out APN so type in the code *#4636#* in the default samsung phone dialer and down at the bottom trigger carrier provisioning and see if you can get US Mobile to push out a new APN to your phone first of all. Sorry for the double post - thought the first one was lost. Had a connectivity issue myself... LOL
ClockerXP said:
Thanks for taking the time to try to help me out.
I can get to the APN setting screen but when I get there, all that I see is that it says " Access Point Name settings are not available for this user " . I cannot add or edit anything like I have done on other phones (like my GS9 for example).
It is running Android 11 and I 'unlocked' it using the code provided by Xfinity Mobile although it seems the code does not fully unlock the thing.
I'm trying to get it to work on US Mobile by the way NOT US Cellular (they are different, right?)
Click to expand...
Click to collapse
Yes they are indeed 2 separate providers, the one you are trying is an MVNO which operates on T-Mobile and Verizon - so good news at least the device is compatible... LOL... so put in the code that I edited my first post to show you *#*#4636#*#* in the google dialer, or if you still have the default Samsung phone app take off the outside set of *# #* and tell me which toggles are on, you can change which bands it operates on, do a ping test for data connectivity, and down at the bottom you should be able to trigger carrier provisioning - do that please, pull the simcard, put it back in, then reboot your device and tell me if any connectivity was restored first of all - that would mean the APN was pushed out by the network to your device. Verizon & Xfiniity have a secondary lock on the APN they **** around with their ROMS so people have a hard time using a device on another network. Annoying. But we'll get it. Let me know where we stand.
Well...I have used that code before on other phones to find out how it is locked etc. When I put it in on the A50, absolutely nothing happens now, unfortunately. I did do the code before the phone was unlocked and the phone was still on Xfinity, and the only lock that was present was the carrier lock. When I got the unlock code from Xfinity and started the phone with a new SIM from USMobile, I did get the prompt for the unlock code and entering the provided code seemed to get me past the Carrier lock. But...still in my current OP situation...
That second prompt when you put in the US Mobile Sim is deceiving - that's what we wanted... 000000 or 123456 probably would have done it - I think it's the same as the SPC (Service Programming Code) there is almost no research in this area that I've been able to find outside of my own, and I'm limited in what I can do because I'm not in possession of an A-50 with the problem so if we get this you're helping others by bearing with me.
Of course the obvious thing that could be done is to just fflash the multi-rom with the US Mobile CSC included, like we did above, but that still won't unlock the APN - it's just likey to populate it with the correct values from the carrier. To do that properly would wipe your son's A50
So let's try to unlock this as it's the first best choice...
Go get this and tell me what it says on the status of your sim - should be nework unlocked but it may show the secondary protection.
Network/WIFI Info & Sim Query - Apps on Google Play
Get all details of your Mobile Network, WiFi & Sim Information.
play.google.com
This should give you a good shortcut into the APN settings to check and see if you can 1. reset to default if that will give you connectivity, and 2. Add an APN when we unlock the phone
APN Settings Shortcut - Apps on Google Play
1 Tap to open APN settings. This is shortcut app. Minimum ad. No Permission.
play.google.com
As there are a lot of folks who didn't find this obscure thread who will be happy if we figure it out. Let's try the easy stuff first and then I'll get into the ADB command line stuff and tools and codes if we can't get any love with this . So first let's try to clear the prompt "This user not allowerd to change APN Settinggs, etc.::
Make sure that you are in the range of a known Wifi Network and follow the next steps:
Turn on Wifi and wait for your phone to connect to it
While connected to the Wifi Network, reboot the phone
As soon as the device restarts it will automatically connect to the previous Wifi network
Go to APN settings following the above-mentioned path and check if you are now able to view/edit
OR
Turn Wifi ON
Go to Settings -> Mobile Networks -> Network Operators
A search will be executed and afterward, the list will be populated with one or more Network Operators
Choose the Network Provider from where you bought the SIM card
Go to Access Point Names and add the new APN
Save the data and done.
OR
With Wifi on pull your sim and reboot the phone - once booted reinsert your sim and see if it asks for a code....
Try 000000, if that doesnt' work try 123456
If none of that works We will make the attempt to access the APN settings using ADB which is the command line Android Debug Bridge... if you don't have it installed there are guides on how to do so all over XDA, the ADB shell runs not quite as root but at a much higher privilege than the normal user account, so we'll try it from there if none of those work. I 'm sorry I don't have the device or I'd come back with a definitive how to - but for now we'll have to go trial and error, guarantee we'll figure it out, it's I know Samsung devices in general and they're not that different. Many roads my friend.
ADB
Service Mode Codes
My toolbox has utilities that will get it 4 certain if need be.
L4XS