Updating old unlocked iphone

Discussion in 'iPhone Tips, Help and Troubleshooting' started by shinyhead, Dec 24, 2008.

  1. shinyhead macrumors newbie

    Joined:
    Dec 24, 2008
    #1
    I have an unlocked/jailbroken 1.0.2 iphone. I wanted to switch back to AT&T and upgrade to 2.2. So is it safe to reuse my AT&T sim card and then upgrade to 2.2 without "bricking" my phone?

    Thanks in advance!
     
  2. showtime macrumors 6502

    Joined:
    May 10, 2007
    #2
    Yup your phone won't brick. It might be a better idea to restore to 2.2 rather than upgrade to 2.2
     
  3. shinyhead thread starter macrumors newbie

    Joined:
    Dec 24, 2008
    #3
    thanks for the quick reply.

    so do you mean by restoring to 2.2 by using the restore feature in itunes and use the 2.2 firmware file?
     

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