[Q] I Would Like to Unroot my Galaxy S3 - Android Q&A, Help & Troubleshooting

Hey everyone,
A while back I rooted my device, but I was not able to install a recovery so I eventually gave up, but my device is still rooted.
Long story short, now I want my S3 unrooted, but here's the kicker.
I bought my S3 in Canada with Rogers as my carrier. But shortly after that, I moved to the states and I signed up for att, popped a new SIM card in my S3, and changed my WAP settings so it would work with att. But since I bought it in Canada with Rogers as my carrier, when I unroot my device, would the process be specific to Rogers Canada, or Att USA?.
Also a side note, when I installed the stock ROM through Odin, the rogers version worked, and att did not.
My model number is the i747m
Any thoughts or suggestions would be greatly appreciated.
Thanks!

You can download the stock rom for rogers i747m and reflash that with odin:
http://galaxys3root.com/galaxy-s3-unroot/how-to-unroot-canadian-galaxy-s3-sgh-i747m-stock-roms/

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Bell Official ICS on AT&T I717

I have a AT&T I717, but don't like the AT&T ICS since I cannot use tethering with Bell network. I am not sure if there is any chance to install Bell official ICS on it. I tried Kies on download mode, but if I input my sn and model number SGH-I717M, it always pops up an error message. I am not sure if the OTA works. Do you guys have similar experiences? Thanks.
shaodx said:
I have a AT&T I717, but don't like the AT&T ICS since I cannot use tethering with Bell network. I am not sure if there is any chance to install Bell official ICS on it. I tried Kies on download mode, but if I input my sn and model number SGH-I717M, it always pops up an error message. I am not sure if the OTA works. Do you guys have similar experiences? Thanks.
Click to expand...
Click to collapse
If you have a AT&T i717 chances are you will not get office Bell ICS. There are a few way of getting tethering to work, BTW.
1) Flash official AT&T ICS, use tethering app like FoxFi
2) Flash official AT&T ICS, root it, use hacks such as Ultracfg trick
3) obviously, flash custom ROMs
4) Wait until devs use Canadian ROMs as base*
* P.S. Not seeing that happen soon though since folks already on LF5 or LF6 but Canadian ROMs (at least for Bell) is only on LF4.
You can use TELUS Stock ICS;
http://forum.xda-developers.com/showthread.php?t=1771979
There is NO carrier bloat at all on TELUS ICS.
Much appreciated, guys. I will try the Telus ROM first.
After using odlin to flash boot and system, system halts on Telus LTE page.
No idea if it's caused by AT&T modem because I did not flash it yet.
Anyway, go back to AT&T official ROM and use FoxFi now.

[Q] Missing CSC - Sim-locked

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Though a Canadian phone, the phone worked well using a T-Mobile SIM here in the US. After tinkering with Odin and a couple of ROMs I flashed the phone from a stock Gingerbread ROM to a leaked version of Samsung's 4.2 Jellybean ROM, made for the i9100, a couple months before the update on Kies was ready. Unfortunately, I sim-locked the phone, the cause I assume is a missing CSC file.
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I recently unlocked and rooted my AT&T Galaxy S5 to use on T-Mobile network. However I still have AT&T firmware on the phone, and I'd really like to flash cyanogenmod, or at at the very least stock T-Mobile. Is there any way to do this? Thanks in advance!
Demeos said:
I recently unlocked and rooted my AT&T Galaxy S5 to use on T-Mobile network. However I still have AT&T firmware on the phone, and I'd really like to flash cyanogenmod, or at at the very least stock T-Mobile. Is there any way to do this? Thanks in advance!
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Don't know if there is a Cyogenmod available for your model (SM-G900A) but there is an AllianceRom which is built off the T-mobile SM-G900T firmware which will work on the AT&T S5. However, since that version of the S5 has a locked bootloader you will need to use Safestrap Recovery instead of TWRP. You might want to look among the threads in the AT&T S5 area of this forum for more information and maybe ask your question there. I brought my unlocked AT&T S5 over to T-mobile and used it for a few months before getting a T-mobile S5. AT&T stock s5 firmware worked fine. I also did try out AllianceRom on that phone briefly but stick with stock. I don't think rom slots ever got fixed on Safestrap so only the stock rom slot could be used for flashing which is one of the reasons I chose to stick with stock on that phone.
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Hello
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