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ROM/Radio for unlocked T-mobile s4?

OP Vertig0

3rd April 2014, 07:05 PM   |  #1  
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Hello,

Recently my friend gave me a T-mobile S4 which I successfully unlock using this ( http://forum.xda-developers.com/show....php?t=2283068 )method. I aslo was able to install Chaos (universal) ROM and seems to be working fine, but I have a few questions.
  • Can I install an ATT ROM/Radio or I need to stick to universal ROMs?
  • Can I lose unlock status if I upgrade the radio?

TIA!
Last edited by Vertig0; 3rd April 2014 at 08:47 PM.
4th April 2014, 05:32 AM   |  #2  
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Anyone?

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4th April 2014, 05:39 AM   |  #3  
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I've never tried ATT ROMs and haven't seen much mention of them in this forum, but I know i9505 ROMs usually work if the developer hasn't put specific device checks in the updater-script. I would guess ATT ROMs will work as well. You may need to flash a T-Mobile kernel though. Radios that are not specific to your device should not be flashed.

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4th April 2014, 05:50 AM   |  #4  
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^^pretty much

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9th April 2014, 02:22 AM   |  #5  
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Quote:
Originally Posted by Vertig0

  • Can I install an ATT ROM/Radio or I need to stick to universal ROMs?
  • Can I lose unlock status if I upgrade the radio?

Why would you want an ATT Rom or radio? The Tmobile radio package supports more frequencies than the AT&T version. I am currently using my M919 on an AT&T mvno and my girlfriend has the I337 (AT&T S4) so Ive switched sims around on both and could find no significant difference.
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