Trying to downgrade to 1.1.1

Discussion in 'Jailbreaks and iOS Hacks' started by adit, Nov 24, 2007.

  1. adit macrumors member

    Feb 25, 2007
    hi guys...

    just got my new uk iphone today and am trying to get my o2 simcard to work on it. I am following the steps in the tutorial and keep getting the wrong error message when trying to downgrade to 1.1.1

    I Get the message: 'The iPhone could not be restored. An unknown error
    occured (1)

    instead off: 'The iPhone could not be restored. An unknown error
    occured (1015)

    I have tried this on both my mac and pc.

    I have tried in numerous times and get the same message each time.

    Would really appreciate any help.


  2. Jeuk macrumors newbie

    Nov 27, 2007
    I am having the same problem. Getting an error when trying to downgrade.
    Any help is greatly appreciated, but for now I am stuck with a locked iphone in 1.1.2, incapable of doing anything.

  3. cdavi060 macrumors regular

    Oct 3, 2007
    well i do know this much that error is supposed to on here to find answers
  4. jav6454 macrumors P6


    Nov 14, 2007
    1 Geostationary Tower Plaza

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