[Q] Unlocked AT&T Galaxy s3 - AT&T, Rogers, Bell, Telus Samsung Galaxy S III

will i need to re-unlock my phone if i root it?
my phone is the AT&T GS3 and im using t-mobile atm, if i root my phone will i need to "re-unlock" it?

No once unlocked it stays unlocked
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Related

Does rooting a custom rom unlock sim?

Hi my friend just won a Samsung galaxy s3 from Telus but he is on the fido network. Does rooting and flashing a custom rom unlock the phone so that he can use a fido sim card in the Telus phone?
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xChris76 said:
Hi my friend just won a Samsung galaxy s3 from Telus but he is on the fido network. Does rooting and flashing a custom rom unlock the phone so that he can use a fido sim card in the Telus phone?
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Nope.
No but,
Cellunlocker.net does
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AT&T Note 2 on Tmobile help rooting & roms

I have searched and haven't really found a complete Ambar to all my questions. I have an unlocked AT&T Note 2 being used on Tmobile. How do I root it and keep it unlocked do I use the AT&T root or Tmobile root and do I use AT&T ROMS or T-mobile roms? Thank you.
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Since it's the at&t version, you use all of the at&t tools and ROMs
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Will I lose my unlock for tmobile? I bought the phone unlocked already so I dont have a code or anything. Thanks
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No you will not lose your unlock privilege and you can use tmobile rom or att rom and use the att tools to root your phone
Thank you very much.
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Help with tmobile note 2 unlocked

Hi I have my tmobile note 2 unlocked currently and using it with my att sim card my question I need help on is ...
The unlock process used was the free one that you punch in some numbers and go to phone control and was out by Galaxy note 2 root. Com now I want to flash at&t Rom based I know how but my fear is once I root it will I lose the unlock ... Thanks any help will be appreciated
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Your unlock will remain I did mine the same way and have had no issues and im using t mobile note 2 with att sim as well
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[Q] After rooting t989 will it lock my carrier again ?

Will Rooting my T989 with a new ROM lock my Unlocked T989 again to Tmobile ?
I got it unlocked by a phone unlock site and that person did something through teamviewer and USB debugger.
I am a total noob in this
Can you please tell me if it'll lock my phone again ?
Thanks
No
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Once it is unlocked it stays unlocked.
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How do i unlock AT&T s3 4.1.2?

Hey I just updated my s3 to the latest firmware and baseband because I thought ROMs wouldn't run right if I didn't, and before I did this I had network unlocked my phone on 4.1.1 stock android. Apparently now it doesn't work and I need to have this phone unlocked for T-Mobile. Is there anyway to unlock this phone?
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Tyler.Boston1 said:
Hey I just updated my s3 to the latest firmware and baseband because I thought ROMs wouldn't run right if I didn't, and before I did this I had network unlocked my phone on 4.1.1 stock android. Apparently now it doesn't work and I need to have this phone unlocked for T-Mobile. Is there anyway to unlock this phone?
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Click to expand...
Click to collapse
Cheap on eBay. $3. His feedback seems pretty good as well. Check other sellers on Ebay as well.
http://www.ebay.ca/itm/SAMSUNG-UNLO...UK_Mobiles_Accessories_RL&hash=item258182f164
Tyler.Boston1 said:
Hey I just updated my s3 to the latest firmware and baseband because I thought ROMs wouldn't run right if I didn't, and before I did this I had network unlocked my phone on 4.1.1 stock android. Apparently now it doesn't work and I need to have this phone unlocked for T-Mobile. Is there anyway to unlock this phone?
Sent from my SGH-M919 using XDA Premium 4 mobile app
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Click to collapse
Which method did u use? Supposed to be a permanent unlock depending on how u originally did it...
Never pay... Just revert back to 4.1.1 stock rooted and unlock, then update.
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