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Thread: iPhone 3g permanent DFU + unable to restore

  1. #1

    Member Since
    Apr 30, 2011
    iPhone 3g permanent DFU + unable to restore
    Hi folks,

    wondered if someone can help at all. Have searched the net quite extensively with this one - I'm now under the assumption the logic board will need replacing unless anyone can tell me otherwise?

    I'll list as much info as I can if you need anything else let me know.

    Got an iPhone 3g from a friend that only powers in DFU mode when connected to the mac/pc.

    Blank screen permanently on.
    All restores return error code 6.
    2 different usb cables tried, tested on OSX 10.6.7, windows 7 + sp1 and xp sp3 (xp is virtual).

    I do not know what version firmware was previously on it.
    I have tried to restore official 2.0.1, 2.1, 3.1.2, 3.1.3, 4.1, 4.2
    I have tried custom firmware on 3.1.3, 2.1, 4.1

    I have attempted jailbreak with redsn0w, pwnagetool, ziphone
    redsn0w seems to work then instead of booting to springboard the iphone just reverts back into dfu.

    I have checked the logs of these restores and noticed this:
    Error setting variable - 'boot-args': (iokit/common) general error
    error setting 'boot-args' to '': 1

    to which a little googling led me to a possibility with logic board.
    I have tried using iRecovery but to be honest unsure where to go with it i also tried TinyUmberella which attempted to fix recovery and the phone didnt reboot. just stayed in dfu.

    Although this is in DFU i have kept making a point of making sure i manually place it into DFU just to make sure its not in recovery mode (though i doubt it ever has been as it has never shown the 'connect to itunes' message- just always a blank screen unless recovering.

    Recovery for all firmware seems to get 99% of the way before showing error 6.

    Does anyone know a way of fixing this issue or do I give up and sell for spares/repair?


  2. #2

    Member Since
    May 07, 2011
    I have the same problem on a friend's iphone, any solution yet?

  3. #3

    Member Since
    Apr 30, 2011
    no, given up. took it to the Apple Store (they didn't seem to know as much as I did with it) and they said it would be 140 for a replacement...

    to me it looks as though its a logic board issue and so I have a very nice paperweight to put on eBay...

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