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Thread: Iphone os 4.0 beta 3

  1. #1
    Default Iphone os 4.0 beta 3
    i have a iphone 3gs with firmware 3.1.3 on it i was wondering if i could update it to os 4, but with windows?

  2. #2
    You UDID must be registered with a developer's account first. Then you will need to use a Mac to restore to 4.0. If you try it on windows, the restore will fail.

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