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Thread: white screen with error 21

  1. #1
    Default white screen with error 21
    I have a iphone 3g that everytime I try to restore, it kicks ,me out of dfu and gives me an error 21. Tried several different methods of repair. Any ideas?

  2. #2

  3. #3
    ive tryed custom firmware and down grading and even just the plan restore but nothing works.

  4. #4
    Superbad Modder-ator Simon's Avatar
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    Nov 2007
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    You need to enter pwned DFU with redsnow first if you want to restore to a custom firmware.

  5. #5
    i did that to and shift + restore will allow you to manually choose what firmware to use to. but that didnt work either

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