1. Chiorny's Avatar
    My iphone was on 1.1.3 then I downgraded to 1.1.1 using itunes then I use AppTapp Instaler > after thet I got message INCORECT SIM Insert an unlocked and valid SIM to activate iphone.

    How can I fix this problem .
    2008-02-01 07:14 PM
  2. pncntigger's Avatar
    Try the guides section up on top. You'll find an unlock guide there or do a search for unlocking.
    Don't forget the Thanks if I helped
    2008-02-01 07:56 PM
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