swapping sim cards between two iphone 3gs?

Discussion in 'iPhone Tips, Help and Troubleshooting' started by luckyduckyy, Apr 17, 2009.

  1. luckyduckyy macrumors newbie

    Apr 17, 2009
    I have an Iphone 3g with AT&T contract, data plan etc. My phone is pretty beat up and I have been thinking about replacing it, but dont want to pay the 500 or whatever it costs to get a new one without a new contract. A friend of mine has a brand new Iphone 3g he bought online but never activated. I don’t think it is unlocked or anything—I’m pretty sure he just ordered the phone off ATT.com and never activated it because he ended up going with a blackberry. My question is, if I just buy this phone off of him to replace mine, can I just pop my current sim card into it and keep my same #/data plan etc. Will it work right away, or would I need to do something in Itunes for it to work?
  2. dvdhsu macrumors 6502a


    Mar 28, 2008
    Palo Alto, CA
    It should work perfectly.
    You might need to call AT&T up and tell them the IMEI number, and tell Apple the serial number though.

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