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My UK Vodafone 815 only fully works with certain sim cards. I used an unlock code from ebay and have zero issues with O2/GiffGaff sims.
Now I wanted to use a Life Mobile (EE) sim but the data speed won't go beyond E yet the same sim gets H+ in other phones. After the unlock iD Mobile/Three sims wouldn't make calls.
Can the network unlock have gone wrong somehow?
Still struggling with this....let me ask another question.
Is it possible to flash the original vodafone software (assuming I can find one) to re-lock the phone so I can start again with another unlock?
Hii to all
Now I have to say something for most users who have bought it
over some carrier on contract like I have done
I asked when I was buying K5 PLUS are all sim slots locked to the provider I bought from?
She checked it for me on paper and said, yes, the phone can only be used with the carrier
SIM cards only and that was for both slots...
Well I was lazy to check when I got home if she was right or wrong...sometimes they do
not have the right information
But today after QFIL and after i Installed the firmware with QFIL
I tried a different carrier sim card in the sim slot 2 and it works
Both cards works
Tested so far..
So, maybe a try for someone locked to some carrier..
Good luck with flashing and just do it exactly step by step all of
you should not have any issues
Hey all,
I was given an S9 (Exynos version, unlocked, SM-960F/DS) that had TWRP installed on it, but was stuck in a boot loop. After messing with it for a while, I stuck it in a drawer and forgot about it until recently, when I pulled it out and decided to just restore it to stock. I downloaded a ROM for that specific model from this site ( https://forum.xda-developers.com/galaxy-s9/how-to/official-firmware-thread-regions-t3765015 ) and flashed it using Odin. This got the device to boot fine to the setup, but it defaulted to German, and rejected any SIM I put in it, even though the phone was originally unlocked. So my question is, now how do I remove the SIM lock again? I'm guessing I'll first have to wait the 7 days for the OEM unlock cooldown to elapse again so I can reinstall TWRP?
tattar8 said:
Hey all,
I was given an S9 (Exynos version, unlocked, SM-960F/DS) that had TWRP installed on it, but was stuck in a boot loop. After messing with it for a while, I stuck it in a drawer and forgot about it until recently, when I pulled it out and decided to just restore it to stock. I downloaded a ROM for that specific model from this site ( https://forum.xda-developers.com/galaxy-s9/how-to/official-firmware-thread-regions-t3765015 ) and flashed it using Odin. This got the device to boot fine to the setup, but it defaulted to German, and rejected any SIM I put in it, even though the phone was originally unlocked. So my question is, now how do I remove the SIM lock again? I'm guessing I'll first have to wait the 7 days for the OEM unlock cooldown to elapse again so I can reinstall TWRP?
Click to expand...
Click to collapse
TWRP/Root/Custom has nothing to do with SIM locks, you'd need a sim unlocking service for that
*Detection* said:
TWRP/Root/Custom has nothing to do with SIM locks, you'd need a sim unlocking service for that
Click to expand...
Click to collapse
Then why would the phone start demanding a PUK for any SIM I insert into it after flashing, when it didn't before? The SIMs work on any other phone I try them in.
tattar8 said:
Then why would the phone start demanding a PUK for any SIM I insert into it after flashing, when it didn't before? The SIMs work on any other phone I try them in.
Click to expand...
Click to collapse
Because certain SIM unlocking services depend on you not wiping the phone in order to keep the unlock
You'll need to unlock it again using a paid service
*Detection* said:
Because certain SIM unlocking services depend on you not wiping the phone in order to keep the unlock
You'll need to unlock it again using a paid service
Click to expand...
Click to collapse
The phone was never locked to a carrier -- it was purchased sealed, factory unlocked.
tattar8 said:
The phone was never locked to a carrier -- it was purchased sealed, factory unlocked.
Click to expand...
Click to collapse
In that case check it has not been IMEI blacklisted due to non payment of contract or reported stolen, you state in your OP it was given to you
If it is IMEI blocked there's nothing XDA can do to help you
*Detection* said:
In that case check it has not been IMEI blacklisted due to non payment of contract or reported stolen, you state in your OP it was given to you
If it is IMEI blocked there's nothing XDA can do to help you
Click to expand...
Click to collapse
What I meant by that was that a friend of mine handed it to me to try to fix after he messed with it in TWRP, getting it stuck bootlooping in the process. He had bought it factory unlocked. I checked the IMEI, it's clean. It's demanding PUKs for any SIM I put in it, even though those SIMs work in other phones; I tried a Ting SIM and a Cricket SIM.
tattar8 said:
What I meant by that was that a friend of mine handed it to me to try to fix after he messed with it in TWRP, getting it stuck bootlooping in the process. He had bought it factory unlocked. I checked the IMEI, it's clean. It's demanding PUKs for any SIM I put in it, even though those SIMs work in other phones; I tried a Ting SIM and a Cricket SIM.
Click to expand...
Click to collapse
Well the only thing I can think is to flash a stock firmware for the region you are in, pick a carrier firmware to force the CSC change, Multi-CSC that contains Germany will default back to that if that is what the phone's original CSC was, but I doubt CSC is causing this
O2U CSC (United Kingdom) for G960F is a single CSC, flash it using CSC and not HOME_CSC along with the other 3 sections
But it seems to me this was not originally a factory unlocked handset, it was unlocked by an unlocking service and sold as one
If that doesn't work, pay for an unlocking service
*Detection* said:
Well the only thing I can think is to flash a stock firmware for the region you are in, pick a carrier firmware to force the CSC change, Multi-CSC that contains Germany will default back to that if that is what the phone's original CSC was, but I doubt CSC is causing this
O2U CSC (United Kingdom) for G960F is a single CSC, flash it using CSC and not HOME_CSC along with the other 3 sections
But it seems to me this was not originally a factory unlocked handset, it was unlocked by an unlocking service and sold as one
If that doesn't work, pay for an unlocking service
Click to expand...
Click to collapse
Is there a way I can find out what carrier the phone thinks it's locked to, or would I just have to get SIM cards from around the world and try them?
Can I do this without enabling OEM Unlock (so without letting the phone run for 7 days)?
tattar8 said:
Is there a way I can find out what carrier the phone thinks it's locked to, or would I just have to get SIM cards from around the world and try them?
Can I do this without enabling OEM Unlock (so without letting the phone run for 7 days)?
Click to expand...
Click to collapse
Samsung Phone INFO will tell you the current CSC, but if it defaulted to German either you flashed a German firmware or that is the default CSC
OEM unlock is only needed for custom
Flashing a Multi-CSC ROM such as BTU for United Kingdom will have the greatest chance of it defaulting to it's original CSC
I used that app, and it indeed says the phone's CSC is German, Deutsche Telekom from what I could tell. I tried flashing a number of different FW packages (including the UK and Singapore ones) but it still defaulted to German each time.
I tried going to their unlock page and entering the IMEI, but they have no record of it being sold by them.
tattar8 said:
I used that app, and it indeed says the phone's CSC is German, Deutsche Telekom from what I could tell. I tried flashing a number of different FW packages (including the UK and Singapore ones) but it still defaulted to German each time.
I tried going to their unlock page and entering the IMEI, but they have no record of it being sold by them.
Click to expand...
Click to collapse
Like I said, try flashing a carrier branded firmware like O2U, it cannot default to German if that CSC is not included
Flash using CSC and not HOME_CSC
Sim lock is on its own secure enclave chip, so if this was truly Sim unlocked then it isn't even possible to "relock". Either was unlocked in an unreputable way, or is IMEI blocked as mentioned before.
So I just got time to re-visit this project. I flashed O2U firmware, and it defaulted to English and shows the corresponding CSC. The phone is still locked, and I checked a bunch of IMEI blacklist checkers and each one comes back clean. At this point I accept that the phone is actually locked by a carrier, so I need to instead figure out how to get it unlocked, and to do that I need to figure out what carrier it's locked to. Like I said earlier, I tried entering the IMEI into Deutsche Telekom's unlocking page, and they have no record of them having locked that phone. So how would I go about figuring out what carrier it's locked to? If that information is on its own secure enclave chip, is there any way to read it?
Afaik german providers are forbidden by law to simlock phones for several years already. Problem must be somewhere else.
Try entering the PUK of any SIM if that's what's requested. It should be on the full size SIM, else contact your mobile network operator.
Hi all,
I've always had carrier locked phones on Verizon/Verizon models (S3, Note 4, Note 8 - all rooted, only Note 8 with locked bootloader) and I will be getting the 6 pro in the carrier unlocked variant from the Google store. I plan to root when available. As mentioned, I plan to use this on Verizon networks.
I've read some conflicting information regarding bootloader unlocking for carrier unlocked devices to be used on Verizon so just wanted to clarify:
If I buy a carrier unlocked 6 pro, insert my Verizon sim card and set up the phone, will I be able to unlock the bootloader at a later point? Or do I need to unlock the bootloader before inserting the Verizon sim card for the first time?
I realize obviously we don't have the phones yet, but I am presuming this is more of a general question/use case. I've read in multiple spots (here on XDA and other android forums) stating that you need to unlock bootloader before inserting the sim card, but also read that you can do it at any point since the sim card doesn't deny access to those operations. So just looking for what is actually the correct answer.
Carousser said:
Hi all,
I've always had carrier locked phones on Verizon/Verizon models (S3, Note 4, Note 8 - all rooted, only Note 8 with locked bootloader) and I will be getting the 6 pro in the carrier unlocked variant from the Google store. I plan to root when available. As mentioned, I plan to use this on Verizon networks.
I've read some conflicting information regarding bootloader unlocking for carrier unlocked devices to be used on Verizon so just wanted to clarify:
If I buy a carrier unlocked 6 pro, insert my Verizon sim card and set up the phone, will I be able to unlock the bootloader at a later point? Or do I need to unlock the bootloader before inserting the Verizon sim card for the first time?
I realize obviously we don't have the phones yet, but I am presuming this is more of a general question/use case. I've read in multiple spots (here on XDA and other android forums) stating that you need to unlock bootloader before inserting the sim card, but also read that you can do it at any point since the sim card doesn't deny access to those operations. So just looking for what is actually the correct answer.
Click to expand...
Click to collapse
My last several devices have been carrier unlocked, and rooted, while on the Verizon network.
Unless the p6/p6 pro is different than my previous carrier unlocked Google phones, there should be no problem using a Verizon sim in a carrier unlocked device that's rooted.
The only issue I've had with Verizon with a carrier unlocked device is if it is a device they (VZW) do not offer, you cannot use VZW warranty, and you cannot get the free cloud account that comes with a Verizon device.
Of course that may have changed as well, but I've never had an issue with a carrier unlocked Google phone being rooted while using a Verizon sim card.
Hope this helps.
Az Biker said:
My last several devices have been unlocked carrier, and rooted on Verizon network.
Unless the p6/p6 pro is different than my previous carrier unlocked Google phones, there should be no problem using a Verizon sim in a carrier unlocked device.
The only issue I've had with Verizon with a carrier unlocked device is if it is a device they do not offer they will not warranty and you cannot get the free cloud account that comes with a Verizon device.
Of course that may have changed as well, but I've never had an issue with a carrier unlocked Google phone being rooted while using a Verizon sim card.
Click to expand...
Click to collapse
Thanks for the response. So just to clarify:
Unless the 6/6 pro is different, a carrier unlocked variant can have its bootloader unlocked at any point - whether it be right away or after the sim card is initially inserted/phone gets activated?
Carousser said:
Thanks for the response. So just to clarify:
Unless the 6/6 pro is different, a carrier unlocked variant can have its bootloader unlocked at any point - whether it be right away or after the sim card is initially inserted/phone gets activated?
Click to expand...
Click to collapse
Yes. That is my experience with all my previous carrier unlocked Google devices that were on the Verizon network.
IIRC, all were rooted AFTER activation on VZW network via sim.
Az Biker said:
Yes. That is my experience with all my previous carrier unlocked Google devices that were on the Verizon network.
IIRC, all were rooted AFTER activation on VZW network via sim.
Click to expand...
Click to collapse
Awesome. Thanks for the clarification!
Hopefully anyone who has the same question sees this thread.
To clarify, you are referring to buying the Verizon variant directly from the Google online store?
I bought a Canadian variant Samsung Galaxy S20 (Snapdragon) yesterday, and knew that the SIM reader slot was faulty and needed to be replaced. I had assumed that I could just use eSIM, but didn't realize that the Canadian variants have it blocked.
Any advice on how to enable it? Can I maybe flash international firmware onto it to have the SIM card manager and enabling of eSIM, and if so, which one and how? Using Odin? Or a modified Odin? Do I need a working SIM reader?
Or maybe I change the CSC? If so, any instructions on how to do it with my variant?
Or do I need to root? If so, any instructions on how to unlock the bootloader (I don't have the OEM unlock option in Developer Options) if I am on One UI version 4.1? Or do I need to downgrade? If so, how do I downgrade?
I really don't want to have to tear this phone apart and resolder on a new SIM reader slot. It's a really great phone and the nicest one I've owned.
I'm not sure where to start.
threehappypenguins said:
I bought a Canadian variant Samsung Galaxy S20 (Snapdragon) yesterday, and knew that the SIM reader slot was faulty and needed to be replaced. I had assumed that I could just use eSIM, but didn't realize that the Canadian variants have it blocked.
Any advice on how to enable it? Can I maybe flash international firmware onto it to have the SIM card manager and enabling of eSIM, and if so, which one and how? Using Odin? Or a modified Odin? Do I need a working SIM reader?
Or maybe I change the CSC? If so, any instructions on how to do it with my variant?
Or do I need to root? If so, any instructions on how to unlock the bootloader (I don't have the OEM unlock option in Developer Options) if I am on One UI version 4.1? Or do I need to downgrade? If so, how do I downgrade?
I really don't want to have to tear this phone apart and resolder on a new SIM reader slot. It's a really great phone and the nicest one I've owned.
I'm not sure where to start.
Click to expand...
Click to collapse
I'm in the same boat as you are! Did you manage to get e-sim to work?
Anyone have any luck with this?
I would like to help. You can flash a SM-G981U1 XAA with odin to unlock it. if you need nr sa , contact me to get it in free
Littlenine said:
I would like to help. You can flash a SM-G981U1 XAA with odin to unlock it. if you need nr sa , contact me to get it in free
Click to expand...
Click to collapse
SM-G981U1 XAA seems to be still on Android 12. I'll wait until 13 is ready before I attempt. What is "nr sa"? Thanks.
recordman said:
SM-G981U1 XAA seems to be still on Android 12. I'll wait until 13 is ready before I attempt. What is "nr sa"? Thanks.
Click to expand...
Click to collapse
NR SA is 5g. i can make your phone enable esim and the same time support oneui5.0 + OTA + 5g SA
Littlenine said:
NR SA is 5g. i can make your phone enable esim and the same time support oneui5.0 + OTA + 5g SA
Click to expand...
Click to collapse
Is this information available in the public, or only select people like yourself have the secret sauce?
recordman said:
Is this information available in the public, or only select people like yourself have the secret sauce?
Click to expand...
Click to collapse
actually i write a passage to show how to do this and send it in a chinese community called coolapk
@Littlenine can you share how? I had to revert to u1 firmware for esim which does not support android 13 / ui5
kmare said:
@Littlenine can you share how? I had to revert to u1 firmware for esim which does not support android 13 / ui5
Click to expand...
Click to collapse
i will
I read that if the W model is flashed with the U1 firmware, Samsung Pay can no longer have Canadian credit cards added. Can someone verify? OneUI 5.1 is being tested on the S20. We can only hope Samsung enables eSIM for that release.
W model has 13 release now. Does it still not support esim?
I was on the U1 model Android 12 in Dec 2022 (With esim enabled) and updated to the W model Android 13 firmware figuring it should have esim enabled however it did not.
I used odin to switch to the Android 13 U1 firmware but it did not enable esim (I used the home_csc). I flashed the older U1 Android 12 firmware which did enable esim again but I had to factory reset the phone due to a boot loop.
After reseting and doing an OTA update to Android 13 the esim stayed enabled and I restored a backup using smart switch for my apps and settings.
maydax said:
I was on the U1 model Android 12 in Dec 2022 (With esim enabled) and updated to the W model Android 13 firmware figuring it should have esim enabled however it did not.
I used odin to switch to the Android 13 U1 firmware but it did not enable esim (I used the home_csc). I flashed the older U1 Android 12 firmware which did enable esim again but I had to factory reset the phone due to a boot loop.
After reseting and doing an OTA update to Android 13 the esim stayed enabled and I restored a backup using smart switch for my apps and settings.
Click to expand...
Click to collapse
So in summary, to get eSIM in A13 U1, first odin install A12 U1, and then OTA to A13? The A13 U1 was uploaded yesterday ( link ).
recordman said:
So in summary, to get eSIM in A13 U1, first odin install A12 U1, and then OTA to A13? The A13 U1 was uploaded yesterday ( link ).
Click to expand...
Click to collapse
It may work if you use csc instead of home_csc which would reset the phone straight out. I used home_csc which kept my Canadian firmware settings and likely csc
maydax said:
It may work if you use csc instead of home_csc which would reset the phone straight out. I used home_csc which kept my Canadian firmware settings and likely csc
Click to expand...
Click to collapse
Does Samsung Pay work with Canadian credit cards in your A13 U1? That's the only requirement holding me back from converting. Samsung Pay+Google Wallet cover 90% of the places I regularly shop at.
recordman said:
Does Samsung Pay work with Canadian credit cards in your A13 U1? That's the only requirement holding me back from converting. Samsung Pay+Google Wallet cover 90% of the places I regularly shop at.
Click to expand...
Click to collapse
I only use google wallet so I never tried samsung pay before. I installed samsung wallet and seems it wants a us zip code.
Ok guys so i bought Samsung Galaxy S22+ in Korea. I am from Europe. Reason why i bought phone in Korea was it was like 20% cheaper then in EU + it have Snapdragon instead Exynos.
But as i came back home i was in for a suprise, coz i tried to set up dual sim for the phone, but then i realized i cant do it. SIM card tray where u put physical SIM cards have only 1 SLOT, 2nd slot that was supposed to be on the back side is slighty modified so SIM card cant fit in, also there is no writing SIM2 like its written on fron (SIM1).
Also phone doesnt have support for eSIM, i cant open SIM manager or anything related to SIM cards in settings of my phone.
Dual SIM is important for me coz i use 1 SIM for SMS and phonecalls, its my number, and 2nd SIM is for internet. We are able to buy internet SIM here that have 60GB of data per month and its super cheap, like 7 EURO, so running dual SIM is super cheap version. If i buy internet via my regular phone providers where i can use phonecalls and SMS combined, it cost like 3x more.
SO yeah, i mean i could go for more expensive version and just have 1 SIM but its stupid coz 1 of reasons was i bought that phone is to run it DUAL SIM, i have also my old Huawei P30 pro working just fine, and now i feel dumb for buying another new phone that was meant to replace my old and its not working 100% correctly...
Can i modify my phone to make it work? Install EU version of Android or something? I would rly like to make it work, although even if i make it work i am not sure if my Internet/Phone service provider support eSIM so i swap this main physical sim with eSIM and then use internet one as physical. But ill deal with this later. I just wanna try enable eSIM first if its possible and have dual sim support in my settings.
Any help is very appreciated!
Best regards!
bjBlazkowicz said:
Ok guys so i bought Samsung Galaxy S22+ in Korea. I am from Europe. Reason why i bought phone in Korea was it was like 20% cheaper then in EU + it have Snapdragon instead Exynos.
But as i came back home i was in for a suprise, coz i tried to set up dual sim for the phone, but then i realized i cant do it. SIM card tray where u put physical SIM cards have only 1 SLOT, 2nd slot that was supposed to be on the back side is slighty modified so SIM card cant fit in, also there is no writing SIM2 like its written on fron (SIM1).
Also phone doesnt have support for eSIM, i cant open SIM manager or anything related to SIM cards in settings of my phone.
Dual SIM is important for me coz i use 1 SIM for SMS and phonecalls, its my number, and 2nd SIM is for internet. We are able to buy internet SIM here that have 60GB of data per month and its super cheap, like 7 EURO, so running dual SIM is super cheap version. If i buy internet via my regular phone providers where i can use phonecalls and SMS combined, it cost like 3x more.
SO yeah, i mean i could go for more expensive version and just have 1 SIM but its stupid coz 1 of reasons was i bought that phone is to run it DUAL SIM, i have also my old Huawei P30 pro working just fine, and now i feel dumb for buying another new phone that was meant to replace my old and its not working 100% correctly...
Can i modify my phone to make it work? Install EU version of Android or something? I would rly like to make it work, although even if i make it work i am not sure if my Internet/Phone service provider support eSIM so i swap this main physical sim with eSIM and then use internet one as physical. But ill deal with this later. I just wanna try enable eSIM first if its possible and have dual sim support in my settings.
Any help is very appreciated!
Best regards!
Click to expand...
Click to collapse
Actuall you can't In china we have all kinds of versions of samsung phone ,which korean version only has singal sim,dual physical sim only supportes on China and european while physical +esim supported on US and canada
maydax said:
I only use google wallet so I never tried samsung pay before. I installed samsung wallet and seems it wants a us zip code.
Click to expand...
Click to collapse
Someone tried to add Canadian CC to a USA model of an S21 and it worked with a trick. Check here