1. iMore Question's Avatar
    i am using iphone 4s and i updated to ios 7.1. i have not factory unlocked my phone.what can i do? can i use gevey or r sim?
    04-09-2014 12:12 PM
  2. kch50428's Avatar
    Consult with the manufacturers of those items for compatibility with iOS7.1
    04-09-2014 12:17 PM

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