Can I still continue to use my phone with AT&T with it unlocked?

Discussion in 'iPhone' started by jta98z, Jun 27, 2010.

  1. jta98z macrumors newbie

    Joined:
    May 26, 2010
    #1
    I plan on selling my iPhone 3GS to get the iPhone 4. I am going to unlock it before I sell it. Will everything on it still work fine and will it be compatible with AT&T being unlocked until I get the iPhone 4?
     
  2. mikes63737 macrumors 65816

    Joined:
    Jul 26, 2005
    #2
    It should work fine on AT&T after it is unlocked.
     
  3. bradl macrumors 68040

    bradl

    Joined:
    Jun 16, 2008
    #3
    Yes. Unlocking only allows you to use the phone on other capable GSM carriers. For example, if you were going to the UK, you could pick up a sim card there, drop it in your phone, and you have service.

    BL.
     
  4. selahvie macrumors newbie

    Joined:
    Jun 21, 2010
    #4
    I just unlocked my 3G for resale and I have this question: will I have problems upgrading from my unlocked 3G to my iPhone 4 arriving Tuesday? Will I retain my settings, etc. Or do I need to go back to my pre-jailbreak backup and then upgrade? Any insight would be appreciated. Thanks.
     

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