1. AC Question's Avatar
    I was given a AT&T Galaxy S5 by Samsung and they unlocked it. I've used it internationally on T-Mobile and now want to use the wifi calling feature, plane text, and other features that T-Mobile offers and AT&T doesn't but since the phone has AT&T firmware they're not available. Is there a way to switch the firmware or enable them?
    10-06-2014 08:50 PM
  2. Rukbat's Avatar
    Not only is the firmware missing those functions, the hardware is too, so no. (And the bootloader is locked, so that would be another obstacle.)
    10-06-2014 10:47 PM
  3. Golfdriver97's Avatar
    Welcome to the forums.
    To add to what Rukbat said, if you flash a ROM from a different carrier to that device, there will be a very high probability of bricking it.
    10-06-2014 11:05 PM

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