Is it normal that my old 3G AT&T SIM card works with my new iphone??

Discussion in 'iPhone Tips, Help and Troubleshooting' started by ki2594, Jul 11, 2008.

  1. ki2594 macrumors 6502a

    Joined:
    Apr 12, 2008
    Location:
    Carmel, IN.
    #1
    I popped in my old 3G sim card from AT&T after i connected my iphone and it went through the activation process but didn't activate the iphone and the other phone was still working? So then i tried the other phones sim card in the iphone and it works perfectly?? So should i just keep this one in or what??
     
  2. KittyToy macrumors 6502

    KittyToy

    Joined:
    Sep 6, 2007
    Location:
    Davenport
    #2
    from what i heard after you sign contract in store and leave your supposed to use your old sim in the new phone...but i could be wrong!
     
  3. taylorwilsdon macrumors 68000

    taylorwilsdon

    Joined:
    Nov 16, 2006
    Location:
    Bay Area
    #3
    My new sim didn't work... my old one does. Weird.
     
  4. ki2594 thread starter macrumors 6502a

    Joined:
    Apr 12, 2008
    Location:
    Carmel, IN.
    #4
    yeah but there like oh we dont need ur sim this has one in it already and that didn't work but mine right now does. So how do i know if my number is now on the actual iPhone plan of unlimited data and stuff?!
     

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