Upgrading from 3GS to a 4S purchased off of Craigslist, how?

Discussion in 'iPhone' started by alm99, Aug 14, 2012.

  1. alm99 macrumors 6502

    Oct 30, 2008
    I am about to purchase an iPhone 4S off of craigslist for my wife to upgrade her from the 3GS. What do I need to do about the regular SIM card to the micro SIM? Do I got to AT&T to get a micro SIM? How do I get her number over to the new phone?
  2. Want300 macrumors 65816


    Oct 12, 2011
    St. Louis, MO
    Propably best to do it at an AT&T store after you get the phone.
  3. Djs621 macrumors regular

    Jun 7, 2008
    Yup, that's the only way to do it. That im aware of anyway
  4. jent macrumors 6502a


    Mar 31, 2010
    Apple Stores in the U.S. have AT&T micro-SIMs. If you explain what you're doing they might give you an unactivated micro-SIM for free. Once you get the 4S, call AT&T and explain that you're upgrading and you already have the micro-SIM. They'll make note of the ICCID and deactivate your wife's regular SIM card and activate the micro-SIM. I've done this multiple times.
  5. batting1000 macrumors 604

    Sep 4, 2011
    Meet the person at an AT&T store so they can be sure everything is OK before you buy it. You don't want to end up buying a stolen phone or one that doesn't work properly.

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