Step by step - selling 3G for 3GS

Discussion in 'iPhone' started by jerbajabber, Jun 8, 2009.

  1. jerbajabber macrumors newbie

    Joined:
    Jun 8, 2009
    #1
    I need some help.

    I want to sell my iPhone 3G and purchase an iPhone 3GS while keeping the same number, and preferably all my contacts and data.

    Do I have to unlock the 3G before selling it? Do I have to swap out the SIM cards?

    Can I still unlock the 3G after activating my 3GS? What happens to old iPhones after a new one is activated for the same AT&T account?

    Is there any way to sell back an old iPhone to AT&T/Apple?

    I would appreciate help in figuring out what process I need to follow to do this. I am sure many other people on this forum will benefit from this thread as well.
     
  2. Lenxal macrumors regular

    Joined:
    Jun 1, 2009
    #2
    If we could sell our stuff back to people then everybody could have a 3gs :rolleyes:
     
  3. Revelation78 macrumors 68000

    Revelation78

    Joined:
    Dec 18, 2008
    Location:
    North Carolina
    #3
    You'll want to unlock your 3G before upgrading, not absolutely necessary but, I've never had issues doing it this way.

    NO!

    Do a complete wipe, unlock and sell it. Discard the sim card in the old iPhone, the new buyer wont need it and the new iPhone will come with one.
     

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