How to setup iPhone 4 from computer?

Discussion in 'iPhone' started by harryhood, Jun 21, 2010.

  1. harryhood macrumors regular

    Mar 15, 2006
    I have an iPhone 3G. I am going to back it up, take out the sim card and sell it, the night before I get my iPhone 4 in the mail.

    I wanted to make sure that this was correct. All I have to do is toss my old sim card in my new iPhone 4 and plug it into my computer and I can set it up right?

    I just want to make sure because there are no Apple stores within 800 miles of me... :)
  2. iManny macrumors newbie

    Jun 20, 2010
    Thats gonna be hard considering the iphone 4 uses a micro sim, i believe when you hook the new iphone to the itunes it will ask you if you want to restore your last iphone to the new one though.
  3. lorenwade macrumors 68000


    Aug 27, 2008
    And to further this, iTunes will also activate your new phone with your current number. No swapping SIMs. ;)
  4. nparmelee macrumors 6502

    Jan 23, 2008
    And unless you really know the person you are selling your iPhone to, you probably should delete all the existing data before handing it over. Settings, General, Reset, Erase All Content and Settings.
  5. Hellishness macrumors 65816


    Jan 27, 2010
    Bay Area, CA
    Can I do this if I'm currently on T-Mobile and am switching to ATT with the iPhone 4? I really don't want to change my phone number...

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