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Discuss Unknown error (4) on itunes at the iPhone "2G" (Rev. 1) - Hackint0sh.org; I'm trying to restore my iphone 1.1.1 which I downgraded from otb 1.1.2 but everytime ...
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    Senior Professional Array imvirus's Avatar

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    Question Unknown error (4) on itunes

    I'm trying to restore my iphone 1.1.1 which I downgraded from otb 1.1.2 but everytime I try it it gives out an unknown error (4). What does this mean and how to I correct this? thanks



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    The Man Array aviegas's Avatar

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    Quote Originally Posted by imvirus View Post
    I'm trying to restore my iphone 1.1.1 which I downgraded from otb 1.1.2 but everytime I try it it gives out an unknown error (4). What does this mean and how to I correct this? thanks

    Are you entering DFU mode or trying the restore directly?

    If you are using DFU. try rebooting your computer or using a different one.

    If not, put the phone in DFU mode before downgrading:

    - Connect to iTunes

    - Hold Power+Home for 10 or more secs until the screen goes black and iTunes stop "seeing" the iPhone. DO NOT RELEASE ANY OF THE BUTTONS.

    - Now release ONLY the power button, while keeping the HOME button pressed.

    - Wait 10 or more secs, until iTunes pops a message that a phone in recovery mode was found. The screen will remain BLACK.

    - Now the phone is in DFU recovery mode and the downgrade will work.
    Last edited by aviegas; 12-20-2007 at 10:08 AM.

 

 

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