RK Mar00n Posted July 18, 2014 Share Posted July 18, 2014 I have an unlocked iPhone 3GS that I?m currently using with provider PureTalk. It is currently using iOS version 4.0. It is jailbroken and unlocked. I want to update the phone to version 6.1.6 but I am afraid of losing the unlock (don?t really care about the jailbreak) and I fear it would be make the phone unusable due the fact that I have a PureTalk SIM card installed and not a AT&T. I do have a non-working AT&T sim card I can swap out but not sure if that will help or affect things. Can someone please help me? Link to comment Share on other sites More sharing options...
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