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Discuss (1.1.2 OTB) Problem trying to downgrade for HW unlock at the iPhone "2G" (Rev. 1) - Hackint0sh.org; ...
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    Question (1.1.2 OTB) Problem trying to downgrade for HW unlock

    Need help pleez... Im attempting to HW unlock an 1.1.2 OTB but itunes gives me an error from the beginning:

    "the iphone "xxx" could not be restored. an unknown error occurred (1)"

    somebody has/had this prob??

    Thanx for the help



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    Give more info. To which firmware are you restoring? Have you done any part of the hardware unlock yet? Have you jailbreaked or tried to unlock your phone before by software?

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    trying to downgrade to 1.0.2 from new OTB 1.1.2

    The problem is at the very beginning to make the jailbreak.

    no previous attempt to unlock.

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    so has the firmware been downgraded

    if yes then its a conflict message of new baseband and old firmware ignore it

    if the firmware has not been downgraded

    the plug in the iphone directly to a usb port on the back of your computer
    not on a usb hub or front port

    it needs high spped usb2 to downgrade

    hope this helps

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    the usb hub never affected before, anyways i tried to confirm it and its confirmed... didnt work

    i mean connecting it to the back of the computer didnt work
    Last edited by chofo1979; 01-24-2008 at 09:47 AM. Reason: clarify


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    chofo where are u up to on your unlock? details would help ppl help you

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    where am i up to? sorry, i didnt understand the question.

    If u mean what step of the unlock process am i, its at the very beginning. I am doing the www.iunlock.no tutorial, it says there:

    Step 1: Prepair your phone and install software

    First of all, downgrade your phone to 1.0.2 or 1.1.1 (only main firmware) and then jailbreak/activate it (don't unlock sim-lock).


    I am trying to downgrade, but itunes gives me an error right after the "extracting software" part. So if it only extracts the packet, it does nothing to the phone. ive tried in 2 different computers and the same thing.

    Thanx for trying to help me

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    drg
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    Quote Originally Posted by chofo1979 View Post
    trying to downgrade to 1.0.2 from new OTB 1.1.2
    Some people are having a hard time with 1.0.2 downgrades. You can try using iTunes 7.3 (some people have reported success).

    You could try iBrickr, others have said this works better than iTunes... also do a quick search... other have had this issue.

    Alternatively, you can DFU to 1.1.1... many people have done the HW BL downgrade from here and it works fine.
    Last edited by drg; 01-24-2008 at 07:51 PM.

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    Solved it!! just retryed a few times, then tried to downgrade to 1.1.1 and its done!!! jailbroken

    Thanx 4 ur help guys!!

 

 

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