AT&T sim from 4 to 4s not working

Discussion in 'iPhone' started by aphexacid, Sep 21, 2012.

  1. aphexacid macrumors 6502a

    aphexacid

    Joined:
    Jul 31, 2007
    Location:
    Chicago
    #1
    I bought my iPhone 5 and want to give my fiancé my 4s. She has an iPhone 4. Both on AT&T. I took her sim, put it in the 4s and it will not activate. It keeps saying I need to insert a compatible sim or go get a replacement from my carrier.

    Wtf?

    I tried a dfu restore too. Nothing.
     
  2. kappaknight macrumors 68000

    kappaknight

    Joined:
    Mar 5, 2009
    #2
    Did you connect it to her laptop and restore it from iTunes?
     
  3. kellen macrumors 68020

    kellen

    Joined:
    Aug 11, 2006
    Location:
    Seattle, WA
  4. aphexacid thread starter macrumors 6502a

    aphexacid

    Joined:
    Jul 31, 2007
    Location:
    Chicago
    #4
    I can't even restore in itunes. It gives me the same error message the phone does. Incompatible sim etc etc.

    What the heck do i do??
     

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