1. jakeless.123's Avatar
    Is it possible to place a Canadian carrier SIM card in my 4S and use it without having to have AT&T unlock my phone?
    04-02-2012 04:51 PM
  2. Chris Parsons's Avatar
    Sure, you can put one in....but, it won't register on the network w/o it having been unlocked by AT&T.
    04-02-2012 09:00 PM
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