Downgrade iPhone 3G with iTunes 10.5 does't work

Discussion in 'iPhone' started by X707, Nov 16, 2011.

  1. X707 macrumors newbie

    Joined:
    Nov 14, 2011
    #1
    I want to downgrade/restore my iPhone 3G from iOS 4.2.1 to iOS 3.1.3 using iTunes 10.5.

    I tried it at least three times, always with an unknown error. (1645)
     
  2. JunkyDog macrumors 6502

    Joined:
    Sep 17, 2011
    #2
    You need an older version of iTunes to do that. Try v9.x or even v8.x maybe im wrong, but worth a try..
     
  3. X707 thread starter macrumors newbie

    Joined:
    Nov 14, 2011
    #3
    I'm using Lion. As far as I know iTunes 9 won't work with my OS.
     
  4. JunkyDog macrumors 6502

    Joined:
    Sep 17, 2011
    #4
    see if you can get hold of iTunes 10.4 then, that should work...
     
  5. X707 thread starter macrumors newbie

    Joined:
    Nov 14, 2011
  6. JunkyDog macrumors 6502

    Joined:
    Sep 17, 2011
    #6

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