Using an old SIM card

Discussion in 'iPhone' started by filmfanatic24, Oct 8, 2011.

  1. filmfanatic24 macrumors 6502

    Sep 5, 2007
    I'm trying to sell my 4. I have an old 3G that my wife was using before she got a 4 that still has a SIM card in it. If I were to sell my 4 before the 4S gets here on Friday can I just plug the old iPhone 3G into iTunes and restore from the back up of my phone to activate the SIM on my account?

    I know I could just buy one of the SIM adapters, but that would take a day or two to get to me.
  2. filmfanatic24 thread starter macrumors 6502

    Sep 5, 2007
    Anybody? Am I better off just waiting until I get the 4S?
  3. androiphone macrumors 65816

    Dec 13, 2009
    yes you can restore from backup to get all your info on the phone,

    you have to use your sim from the iphone 4 in it as it contains your phone account/number ect, that's how sims work. that other sim in the 3gs will be a different account.

    so you would need a sim adapter to use the 3gs but most mobile phone shops will give you an adaptor for free.

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