Error 402636789 while upgrading iPad

Discussion in 'iOS 5 and earlier' started by jwc6160, Oct 13, 2011.

  1. jwc6160 macrumors member

    Aug 17, 2011
    I keep getting this error when trying to install IOS 5 on my iPad. My iPhone upgraded fine. This error pops up during the backup stage. I have tried several times and it pops up every time. I have never seen it before.
  2. Project79 macrumors newbie

    Oct 13, 2011
    Happened to me. I made sure I backed up my iPad before hand.
    Continued with the update although it did wipe my iPad.

    Had to restore from back up.

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