Upgrading 3Gs to an IPhone 4

Discussion in 'iPhone Tips, Help and Troubleshooting' started by slash94317, Nov 13, 2011.

  1. slash94317 macrumors newbie

    Nov 13, 2011
    I have an IPhone 3Gs and my dad got the 4s and gave me his 4. What I was wondering is since the 4 has a smaller sim card can i just use the sim that is in the 4 even though it was on my dads number. if so how would you do that?

    My idea was you could plug the 4 into itunes with the old sim that was never mine in it, and set it up as my phone and backup, within itunes. Could/will this work?
  2. verwon macrumors 68030


    Jul 26, 2011
    No, but you can ask them for a new sim for yours, or cut your old one to fit.
  3. slash94317 thread starter macrumors newbie

    Nov 13, 2011
    with a new sim will i then be able to do that process i described above?
  4. Haugisen macrumors newbie


    Oct 30, 2011
    Yes, it will work. You don't even need the sim-card in it to do that.

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