iOS 4.0 Can't upgrade to 4.0.1

Discussion in 'iOS Jailbreak & Cydia' started by johnathon, Jul 16, 2010.

  1. johnathon

    johnathon Member

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    When I press upgrade, it's tries to back up my phone. It gets error code -20 and is unable to back up. This then stops the update process. I've tried backing up manually but that failed as well with the same error code. Any ideas?
  2. Invisible Man

    Invisible Man Member

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    I would stay on 4.0 until jailbreak comes out

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  3. johnathon

    johnathon Member

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    Incase anybody else is having the same problem, I encrypted my backup then it worked
  4. Invisible Man

    Invisible Man Member

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    Thanks for information.

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