If I'm coming from AT&T MF3 build on SGH-1337 can take some sort of T-Mobile OTA and root the T-Mobile build/rom?
Drake9897 said:
If I'm coming from AT&T MF3 build on SGH-1337 can take some sort of T-Mobile OTA and root the T-Mobile build/rom?
Click to expand...
Click to collapse
Unfortunately, no.
From my understanding, if you flash anything that isn't officially signed on a MF3 device, you will brick it.
theexel said:
Unfortunately, no.
From my understanding, if you flash anything that isn't officially signed on a MF3 device, you will brick it.
Click to expand...
Click to collapse
But wouldn't the T-Mobile OTA be signed?
Drake9897 said:
But wouldn't the T-Mobile OTA be signed?
Click to expand...
Click to collapse
Right, but technically our T-Mobile Firmware is a downgrade, as we haven't had an update in a while, which is pretty much the same as trying to downgrade to the previous version before the bootloader lock, which again, causes a hard brick. (This coming from what I've read in the AT&T forums.)
theexel said:
Right, but technically our T-Mobile Firmware is a downgrade, as we haven't had an update in a while, which is pretty much the same as trying to downgrade to the previous version before the bootloader lock, which again, causes a hard brick. (This coming from what I've read in the AT&T forums.)
Click to expand...
Click to collapse
If/when T-mobile gets an update do you think I could use that update and root it for bootloader unlock?
Drake9897 said:
If/when T-mobile gets an update do you think I could use that update and root it for bootloader unlock?
Click to expand...
Click to collapse
I'm actually not sure. The T-Mobile's variant never came with a bootloader locked. In theory, if it was possible to ODIN a pure stock T-Mobile firmware on an AT&T S4, I'd image the bootloader would get overwritten as well, no? But messing with bootloaders is a very very dangerous game.
theexel said:
I'm actually not sure. The T-Mobile's variant never came with a bootloader locked. In theory, if it was possible to ODIN a pure stock T-Mobile firmware on an AT&T S4, I'd image the bootloader would get overwritten as well, no? But messing with bootloaders is a very very dangerous game.
Click to expand...
Click to collapse
Yeah I'm aware of that. I'll play the waiting game and keep lurking on hashtags safestrap, jtag downgrade, and possibly this. thanks for your time
Related
I need to unlock my phone.
A step by step guide will help me big time. I updated to the newest update which is 4.3 but then people were saying if i downgrade it'll brick my phone. Is there any way to downgrade?
You need to be on a completely stock 4.1.1 ROM, including the bootloader. Since you have updated to the latest 4.3 ROM, you would have the 4.3 bootloader on your phone and this bootloader cannot be downgraded.
MaknaeAJ said:
I need to unlock my phone.
A step by step guide will help me big time. I updated to the newest update which is 4.3 but then people were saying if i downgrade it'll brick my phone. Is there any way to downgrade?
Click to expand...
Click to collapse
You are stuck as there is no way for you to revert to prior roms. You heard and read correctly...if you try and revert your phone to a version prior to 4.3, it will be nothing more than an expensive paperweight (bricked). If the phone is an AT&T model, call AT&T and see if they will give you the unlock code.
aybarrap1 said:
You are stuck as there is no way for you to revert to prior roms. You heard and read correctly...if you try and revert your phone to a version prior to 4.3, it will be nothing more than an expensive paperweight (bricked). If the phone is an AT&T model, call AT&T and see if they will give you the unlock code.
Click to expand...
Click to collapse
Just waiting for them to send me the code, hopefully they will :| Thanks for everyone that replied
Hello,
I'm relarively new to the Galaxy S3 realm, and after a brief experience with a defective SGH T999 that I returned for a refund (which I'm pretty sure shipped with an unlocked bootloader out of the box since T-Mobile is usually good with doing that with their devices), I'm thinking of getting an SGH i747 new and networked unlocked on Amazon for use with T-Mobile since the SGH i747 is the least expensive S3 variant out there with LTE capabilities. I don't want to actually make the purchase until I know these two things:
1) Can the bootloader be unlocked on the latest official firmware (which I believe is 4.3 according to my research)? If so, how?
2) If I can unlock the bootloader on the latest official firmware, what ROMs will I be able to use? I read somewhere that using a ROM designed for an different stock firmware can lead to problems (like how 4.0 firmware users can't use 4.1 firmware ROMs)
I'm hoping I can get this since it has great features for the money, but if I can't install ROMs on it, I'm going to have to look for a different device to purchase.
Thanks ahead of time!
EDIT: I found an article stating there was an All In One toolkit that would root, bootloader unlock, and install recovery for US variant galaxy S3's, and it linked to me to an XDA thread. However, after reading the XDA thread, it seems that it is only able to unlock bootloaders of Nexus devices. Can anyone confirm for me that this all in one toolkit can unlock the bootloader for the latest firmware of the ATT S3?
Link to the toolkit thread:
http://forum.xda-developers.com/showthread.php?t=1746682
Sent from my LG-D415 using XDA Free mobile app
jasonmerc said:
Hello,
I'm relarively new to the Galaxy S3 realm, and after a brief experience with a defective SGH T999 that I returned for a refund (which I'm pretty sure shipped with an unlocked bootloader out of the box since T-Mobile is usually good with doing that with their devices), I'm thinking of getting an SGH i747 new and networked unlocked on Amazon for use with T-Mobile since the SGH i747 is the least expensive S3 variant out there with LTE capabilities. I don't want to actually make the purchase until I know these two things:
1) Can the bootloader be unlocked on the latest official firmware (which I believe is 4.3 according to my research)? If so, how?
2) If I can unlock the bootloader on the latest official firmware, what ROMs will I be able to use? I read somewhere that using a ROM designed for an different stock firmware can lead to problems (like how 4.0 firmware users can't use 4.1 firmware ROMs)
I'm hoping I can get this since it has great features for the money, but if I can't install ROMs on it, I'm going to have to look for a different device to purchase.
Thanks ahead of time!
EDIT: I found an article stating there was an All In One toolkit that would root, bootloader unlock, and install recovery for US variant galaxy S3's, and it linked to me to an XDA thread. However, after reading the XDA thread, it seems that it is only able to unlock bootloaders of Nexus devices. Can anyone confirm for me that this all in one toolkit can unlock the bootloader for the latest firmware of the ATT S3?
Link to the toolkit thread:
http://forum.xda-developers.com/showthread.php?t=1746682
Sent from my LG-D415 using XDA Free mobile app
Click to expand...
Click to collapse
all s3i747 should already be bootloader unlocked. i bricked my first one trying to "unlock" the bootloader.lol. kind of.
as far as firmware i am assuming you mean bootloader/modem. once you are on NE4 and above firmware , trying to downgrade ,i.e. mj2 firmware will give you a nice looking paper weight.
custom ROMs ; flash away (after making a backup of course). i have never seen a custom ROM include the bootloader/firmware. although you need to always read the OP to make sure it is compatible with whatever your current firmware is.,i.e.(again) if its a ROM for nj2 your ne4 firmware may need to be upgraded to match. @audit13 or @dawgdoc can confirm/deny/provide more info i am sure.
hope this helps at least some.
good luck.
"all i can really do is stay out of my own way and let the will of heaven be done"
mrrocketdog said:
all s3i747 should already be bootloader unlocked. i bricked my first one trying to "unlock" the bootloader.lol. kind of.
as far as firmware i am assuming you mean bootloader/modem. once you are on NE4 and above firmware , trying to downgrade ,i.e. mj2 firmware will give you a nice looking paper weight.
custom ROMs ; flash away (after making a backup of course). i have never seen a custom ROM include the bootloader/firmware. although you need to always read the OP to make sure it is compatible with whatever your current firmware is.,i.e.(again) if its a ROM for nj2 your ne4 firmware may need to be upgraded to match. @audit13 or @dawgdoc can confirm/deny/provide more info i am sure.
hope this helps at least some.
good luck.
"all i can really do is stay out of my own way and let the will of heaven be done"
Click to expand...
Click to collapse
Are you SURE they are all unlocked out of box, regardless of firmware? I have seen guides as to how to unlock the bootloader for the i747 on 4.1.1 firmware, which would lead me to believe they aren't unlocked out of the box.
jasonmerc said:
Are you SURE they are all unlocked out of box, regardless of firmware? I have seen guides as to how to unlock the bootloader for the i747 on 4.1.1 firmware, which would lead me to believe they aren't unlocked out of the box.
Click to expand...
Click to collapse
OK. if you've read different then no , i'm not SURE. but i thought they all were.
"all i can really do is stay out of my own way and let the will of heaven be done"
mrrocketdog said:
OK. if you've read different then no , i'm not SURE. but i thought they all were.
"all i can really do is stay out of my own way and let the will of heaven be done"
Click to expand...
Click to collapse
Well too late now, already ordered one...
jasonmerc said:
Well too late now, already ordered one...
Click to expand...
Click to collapse
well i'll tell you the honest truth. nevermind bootloaders and whatnot. i gave my S3 away to upgrade to the htcm8. to do all over ; i would have kept it or ordered one like you , or off swappa ,etc. i miss it.
good luck
"all i can really do is stay out of my own way and let the will of heaven be done"
Looking in the all in one toolkit, it gives the user the option to root, busybox, and install custom recovery on a 4.3 ATT S3. From my knowledge, one needs an unlocked bootloader to install custom recoveries. Unless this is some sort of special recovery, it seems to me that this is in fact unlocked. Perhaps another user can confirm this.
thats why i mentioned audit13 and dawgdoc earlier. both more knowledgeable than me and i was hoping they would chyme in. or @DocHoliday77.
"all i can really do is stay out of my own way and let the will of heaven be done"
The bootoader is not locked. If you try to unlock it using software tools, you will brick it. I have never come across anyone on xda with an att s3 with a locked bootoader but I have come across a few that bricked their phone trying to unlock the bootoader.
Although att often locks the bootoader on their phones (e.g. note 3, s4, lg g2), they did not do this on the sgh-i747.
Once the phone is running the mjb or higher bootoader, you cannot flash an older bootoader.
Alright, thanks to both of you guys for the assistance. Just let out a huge breath of relief, I was scared my money went to waste. Can't wait for this to come in, and I'm eager to be a part of the i747 community on XDA!
Plus I got the red one
If you decide to flash anything to the phone, make sure you verify the bootloader version before flashing anything.
When you receive the phone, boot into download mode to confirm the model # as well.
audit13 said:
If you decide to flash anything to the phone, make sure you verify the bootloader version before flashing anything.
When you receive the phone, boot into download mode to confirm the model # as well.
Click to expand...
Click to collapse
Yes, I do recall reading something about only being able to flash ROMs made for the specific bootloader of the phone. But if I were to flash a ROM for d2lte (designed to work with ALL Galaxy S3 models), I would assume it would work alright regardless of bootloader version?
Sent from my LG-D415 using XDA Free mobile app
For stock ROMs, only flash for the d2att. For custom ROMs, only flash ROMs for the d2lte.
So no CM9 then eh?
Sent from my LG-D415 using XDA Free mobile app
jasonmerc said:
So no CM9 then eh?
Sent from my LG-D415 using XDA Free mobile app
Click to expand...
Click to collapse
Well, d2lte and d2att roms.
There are a few quirks about particular roms, do not hesitate to ask more questions as they arise. Sometimes you will contradicting answers, or typos causing incorrect answers.
Just an update, the S3 arrived. Looks beautiful physically.
But beyond that...
(I happycried for a good 3 minutes after seeing this)
Sent from my LG-D415 using XDA Free mobile app
jasonmerc said:
Just an update, the S3 arrived. Looks beautiful physically.
But beyond that...
(I happycried for a good 3 minutes after seeing this)
Sent from my LG-D415 using XDA Free mobile app
Click to expand...
Click to collapse
That's a nice state to receive an i747. Before doing any updates to bootloader and modem or flashing any ROMs I would suggest doing the free sim unlock found in the forums. (Yes, even though the bootloader is unlocked the sim card does not come unlocked out of the box.) If you upgrade to the 4.3 bootloader or newer you will no longer be able to do the free sim unlock. Although there are always paid unlocks.
dawgdoc said:
That's a nice state to receive an i747. Before doing any updates to bootloader and modem or flashing any ROMs I would suggest doing the free sim unlock found in the forums. (Yes, even though the bootloader is unlocked the sim card does not come unlocked out of the box.) If you upgrade to the 4.3 bootloader or newer you will no longer be able to do the free sim unlock. Although there are always paid unlocks.
Click to expand...
Click to collapse
Already flashed a ROM. Despite the seller claiming it was unlocked out of the box, it was not. I'll be flashing back to 4.1.1 stock to do so.
EDIT: This is the firmware I'll be flashing, I assume it's correct
http://forum.xda-developers.com/showthread.php?t=2161667
man 'o man. 4.1.1. heck yeah !! happy for you (and envious). enjoy. :sly: @audit13 & @dawgdoc :thumbup:
(IF you were thinking about hitting the "thanks button" for this post ; please do not). this is for you guys. :thumbup::thumbup::thumbup:
"all i can really do is stay out of my own way and let the will of heaven be done"
As long as you didn't flash 4.3 or newer bootloaders you should be good.
I used to have a Nexus 7 (2012) and was rooted with TWRP and loved it. I was familier with fastboot, and liked how "open" everything was in the Nexus environment. But it cracked and I upgraded to the Tab S 16GB (Verizon). I wasen't about to hack my new $600 device, so I waited a while and have been out of the loop. Well I have been considering rooting it so I can install all apps fully to the SD card due to lack of space. And also maybe get a custom ROM based on android M.
It looks like Samsung devices don't have fastboot, and i stead have download mode, and ODIN. Are they the same thing? One time I got this tablet stuck in download mode, and it was really hard to get out.
Also, I don't see the stock ROM for the Verizon version online. I can only get it OTA. Is the ROM the same as the sprint version, just with different bloastware? Both are CDMA. I don't understand what carriers work with what ROMs.
Could you please get me back in the loop on the Samsung (non-Nexus) side? I will probably have a lot of basic questions at first.
Go to the developer section of this forum. We'll find rooting instructions, TWRP recovery and a working a working marshmallow aosp ROM that will make your S1 feel like a Nexus. Double check that others have had success with your model including LTE. Good luck.
Sent from my SM-T800 using XDA Premium HD
If you got the Verizon device, it is fully locked down and you cannot flash ANYTHING or root it at all.
Ditto on the above comment. The CDMA/cellular versions of the Tab S have the least amount of support. They don't have the same processor as the wifi versions (snapdragon in cellular, exynos in wifi).
I also have a Nexus 7 (2012) that's TWRP'd with a custom MM rom. I also TWRP'd and ROM'd a Nexus 4 and 7 (2013). Doing the same to a Samsung device is just as easy, except for KNOX (if you care about warranty).
You're only hope of root for that device is Kingroot.
Nandr0idC0nsumer said:
If you got the Verizon device, it is fully locked down and you cannot flash ANYTHING or root it at all.
Click to expand...
Click to collapse
What makes you think that? In what way is it locked that the WiFi version isn't? I don't care about tripping Knox. I remember hearing when I was researching which one to buy that the AT&T version was locked, but the verizon one wasn't. Which is why I bought it. But maybe they meant the SIM was unlocked, not the boot loader. Are any of the T807's really unlocked.
HKSpeed said:
Ditto on the above comment. The CDMA/cellular versions of the Tab S have the least amount of support. They don't have the same processor as the wifi versions (snapdragon in cellular, exynos in wifi).
I also have a Nexus 7 (2012) that's TWRP'd with a custom MM rom. I also TWRP'd and ROM'd a Nexus 4 and 7 (2013). Doing the same to a Samsung device is just as easy, except for KNOX (if you care about warranty).
Click to expand...
Click to collapse
Yeah, mine has the snapdragon 800, but I thought the AT&T version had the Exynos. I am doing more research and I see there is now an unlocked LTE model that even has native voice support (T805). Did this one come out later? I wanted an LTE one in 2014, but I thought you had to buy a T807 through either Verizon, AT&t, T-Mobile, or Sprint. So I got the Verizon one
ashyx said:
You're only hope of root for that device is Kingroot.
Click to expand...
Click to collapse
From what I understand, KingRoot, uses an exploit in the stock ROM to obtain root without tripping KNOX, or custom recovery. Correct?
Thank you everyone!
flyoffacliff said:
What makes you think that? In what way is it locked that the WiFi version isn't? I don't care about tripping Knox. I remember hearing when I was researching which one to buy that the AT&T version was locked, but the verizon one wasn't. Which is why I bought it. But maybe they meant the SIM was unlocked, not the boot loader. Are any of the T807's really unlocked.
Yeah, mine has the snapdragon 800, but I thought the AT&T version had the Exynos. I am doing more research and I see there is now an unlocked LTE model that even has native voice support (T805). Did this one come out later? I wanted an LTE one in 2014, but I thought you had to buy a T807 through either Verizon, AT&t, T-Mobile, or Sprint. So I got the Verizon one
From what I understand, KingRoot, uses an exploit in the stock ROM to obtain root without tripping KNOX, or custom recovery. Correct?
Thank you everyone!
Click to expand...
Click to collapse
If you're on Lollipop, it's unrootable. Verizon locks the bootloader
Nandr0idC0nsumer said:
If you're on Lollipop, it's unrootable. Verizon locks the bootloader
Click to expand...
Click to collapse
So when you say "locked", you mean ODIN will refuse to flash an unofficial ROM? Wouldn't that mean it's impossible to trip Knox then?
flyoffacliff said:
So when you say "locked", you mean ODIN will refuse to flash an unofficial ROM? Wouldn't that mean it's impossible to trip Knox then?
Click to expand...
Click to collapse
Correct. ODIN only allows stock, signed images to be flashed. Everything else will give a
Code:
secure check fail: recovery
or
Code:
secure check fail: kernel
and halt writing.
---------- Post added at 09:05 PM ---------- Previous post was at 08:57 PM ----------
Personally I recommend you
1) Get a Wifi-only model and suck it up, or
2) Live with a fully locked device and no root
Nandr0idC0nsumer said:
Correct. ODIN only allows stock, signed images to be flashed. Everything else will give a
Code:
secure check fail: recovery
or
Code:
secure check fail: kernel
and halt writing.
---------- Post added at 09:05 PM ---------- Previous post was at 08:57 PM ----------
Personally I recommend you
1) Get a Wifi-only model and suck it up, or
2) Live with a fully locked device and no root
Click to expand...
Click to collapse
T805 LTE(International) , T807T and T807P are all bootloader unlocked. There is also a T807R4, but you don't hear much of this device, so not sure if it's locked or not.
I think the T805 is the only truly unlocked device with no carrier restrictions and can make and receive calls and texts.
ashyx said:
T805 LTE(International) , T807T and T807P are all bootloader unlocked. There is also a T807R4, but you don't here much of this device, so not sure if it's locked or not.
Click to expand...
Click to collapse
Yes they are but he has Verizon so...
Nandr0idC0nsumer said:
Yes they are but he has Verizon so...
Click to expand...
Click to collapse
I know that I was just providing information.
Samsung just put out a new update and the oreo rooting method listed on here fails at odin. Im wanting to root because i found some interesting things in the phone info app under secret codes. one of them was unlock kernel and a few others i wanted to check out but it seems its blocked so i need root to bypass the block. anyone know of how root can be achieved in this new update? THANKS
bjf189 said:
Samsung just put out a new update and the oreo rooting method listed on here fails at odin. Im wanting to root because i found some interesting things in the phone info app under secret codes. one of them was unlock kernel and a few others i wanted to check out but it seems its blocked so i need root to bypass the block. anyone know of how root can be achieved in this new update? THANKS
Click to expand...
Click to collapse
They blocked root on that update so you are now stuck on a non rootable device. Sorry
stang5litre said:
They blocked root on that update so you are now stuck on a non rootable device. Sorry
Click to expand...
Click to collapse
It's fine. I was gonna be rooted only for a short time just to check those things out. It sucks not having root but I'd rather not deal with the lag from the boot image if it worked on this update that is. Maybe someone will crack this update in time cause nothings unhackable.
So is downgrading possible still or does this update block downgrading to? I haven't tried yet but if you have then save me some time
bjf189 said:
It's fine. I was gonna be rooted only for a short time just to check those things out. It sucks not having root but I'd rather not deal with the lag from the boot image if it worked on this update that is. Maybe someone will crack this update in time cause nothings unhackable.
So is downgrading possible still or does this update block downgrading to? I haven't tried yet but if you have then save me some time
Click to expand...
Click to collapse
Yes, blocks downgrading, but you should be able to flash any other updated carrier firmware and the U version
stang5litre said:
They blocked root on that update so you are now stuck on a non rootable device. Sorry
Click to expand...
Click to collapse
lvpre said:
Yes, blocks downgrading, but you should be able to flash any other updated carrier firmware and the U version
Click to expand...
Click to collapse
What difference would it make flashing other carrier firmware over this one?
bjf189 said:
What difference would it make flashing other carrier firmware over this one?
Click to expand...
Click to collapse
The U firmware would remove the Verizon bloatware. For example, if you left Verizon and went to T-Mobile...the U firmware of T-Mobile firmware could be installed to get the full bands for LTE coverage available. But if you are on Verizon and happy, probably not worth the trouble.
I converted my unlocked US Note 10+ to T-Mobile. I am not receiving any OTA updates. My phone says that I am on the current software with December 1st Security patch.(the package I flashed in Odin) SL8 There is a January update available SLB but my phone doesn't see it. I know I can just manually flash it but it's kind of inconvenient. Anyone else able to pull updates after converting? In the T-Mobile app my device shows as "Unknown device" so I'm not sure if I should go back to the unlocked US firmware or try to figure if I goofed along the way. Thanks for any help.
live_in_the_sky06 said:
I converted my unlocked US Note 10+ to T-Mobile. I am not receiving any OTA updates. My phone says that I am on the current software with December 1st Security patch.(the package I flashed in Odin) SL8 There is a January update available SLB but my phone doesn't see it. I know I can just manually flash it but it's kind of inconvenient. Anyone else able to pull updates after converting? In the T-Mobile app my device shows as "Unknown device" so I'm not sure if I should go back to the unlocked US firmware or try to figure if I goofed along the way. Thanks for any help.
Click to expand...
Click to collapse
Did you use the non home csc when (and do the factory data reset after successfully) flashing the phone with T-Mobile firmware?
If you didn't then that can cause the issue your having with OTA.
Yeah I did that. I'll back up my data and flash the old update, factory reset, and then see if it'll pull the latest update. Thanks. I've read where a couple of people are having issues with ota updating
I brought my Sprint Note 9 to TM. I didn't flash anything, but couldn't get OTA updates. I know I could have flashed TM, but I was lazy. I called my TM experts. They called Samsung. Samsung looked up to see where the nearest Samsung tech was. It was at a Best Buy. She was in the Geek Squad area. She evidently flashed the TM firmware. After that I was able to get the TM OTAs. There was no charge for this. I happily upgraded to the 10+ 5G when TM got it. I love it! It also came with Android 10 on it.
scottusa2008 said:
Did you use the non home csc when (and do the factory data reset after successfully) flashing the phone with T-Mobile firmware?
If you didn't then that can cause the issue your having with OTA.
Click to expand...
Click to collapse
So I flashed the old firmware, used the non csc file, hard reset and I still can't pull an ota. Not sure what's wrong.
live_in_the_sky06 said:
... In the T-Mobile app my device shows as "Unknown device".....
Click to expand...
Click to collapse
This is normal since you brought your own device and didn't purchase it from T-Mobile.
live_in_the_sky06 said:
So I flashed the old firmware, used the non csc file, hard reset and I still can't pull an ota. Not sure what's wrong.
Click to expand...
Click to collapse
Your not doing something right or have skipped/missed a step..
When flashing the t-mobile firmware do so in it's entirety. Be sure to use the userdata as well.
The flashing process is pretty easy and rather straight forward, but as a refresher follow the instructions at the bottom of this post
https://forum.xda-developers.com/showpost.php?p=80072192&postcount=1
scottusa2008 said:
This is normal since you brought your own device and didn't purchase it from T-Mobile.
Your not doing something right or have skipped/missed a step..
When flashing the t-mobile firmware do so in it's entirety. Be sure to use the userdata as well.
The flashing process is pretty easy and rather straight forward, but as a refresher follow the instructions at the bottom of this post
https://forum.xda-developers.com/showpost.php?p=80072192&postcount=1
Click to expand...
Click to collapse
That may be the issue. The tutorial I used said not to flash the userdata. So when I do this again, I should flash the Tmobile userdata along with it.
live_in_the_sky06 said:
That may be the issue. The tutorial I used said not to flash the userdata. So when I do this again, I should flash the Tmobile userdata along with it.
Click to expand...
Click to collapse
Yes
scottusa2008 said:
Yes
Click to expand...
Click to collapse
Thanks for your help