DFU Mode for Dummies

Discussion in 'iPhone Jailbreaking' started by f4780y, Jul 2, 2011.

  1. zig9449

    zig9449 New Member

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    DFU mode cannot be "blocked". There would be nothing to block that function, aside from hardware issues.

    Sometimes, you have to holds the button till t goes black twice....like when I was in a respring loop.

    Or something like that. I actually think it was a boot loop but cdnt tell.

    Try to hold the buttons for 20 seonds, then letting go of sleep and keep holding home.
     
  2. 928shifty

    928shifty New Member

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    How can I put my 3g into dfu mode with out a power button?
     
  3. zig9449

    zig9449 New Member

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    You can't.
     
  4. Jmills87

    Jmills87 Well-Known Member

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    Search google for how to enter DFU mode without a power button. There's a method that lets you force your device into DFU mode by restoring a corrupted firmware and then from there you can restore a custom prejailbroken firmware.
     
  5. gastra

    gastra New Member

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    Sorry to bump an old but VERY important thread, for anyone having issues getting into DFU mode but are still getting a black screen.
    Connect your device enter "dfu" mode
    make sure you have the black screen
    If redsn0w and so on don't recognize the phone being in DFU mode head over to device manager and look for a little yellow "?" right click install the driver and this should make DFU mode recognizable.
    If this has been posted before i missed it sorry if not just try it it may work for you as it did me :D
     
  6. zig9449

    zig9449 New Member

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    That's a good find gastra. I never knew that.
     
  7. helloneek

    helloneek New Member

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    I Jailbroke my iPhone4GS through absinthe2.0 and it went fine, i would now like to reverse it but nothing seems to be working.. Here's the different things i've tried.

    - Restoring through itunes, comes up with 'cannot restore, device isnt eligible for the requested build'
    - i tried going into my phone setting and erase all content, my phone had the loading screen for ages then turned black and wouldnt turn back on until i held the home and lock button down for 10 seconds
    - i tried putting it into DFU mode and restoring
    - DFU mode and using ISPW, everytime i have tried to restore it comes up with the original message
    -i went into my private folder and edited the host file then tried to restore, same message.

    I really dont know what else i can do, nothing seems to be working, i just want my phone back to how it was before i jailbroke it..
    Can anyone help me?
     
  8. f4780y

    f4780y Super Moderator Staff Member

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    Follow our guide here http://www.iphoneforums.net/forum/h...afe-method-restore-current-version-ios-26019/

    Step 2 is CRITICAL!
     
  9. chatycathy

    chatycathy New Member

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    Why doesn't this page let me "like" you on FB? My phone is running. YEAH! I am sure I will be back for more lessons.
     
  10. Thomasjtsi

    Thomasjtsi Well-Known Member

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    I don't believe we have a Facebook page. Hmm, something we might need to work on. 😄
     
  11. Darkstar2007

    Darkstar2007 Administrator Staff Member

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    We do have a Facebook page. A twitter profile too. :)
     
  12. Thomasjtsi

    Thomasjtsi Well-Known Member

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    Whaaaaat? Where have I been? LOL!!! What's our twitter acct?
     
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  13. Darkstar2007

    Darkstar2007 Administrator Staff Member

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    Not sure, but it's on the home page!
    Lol
     
  14. Thomasjtsi

    Thomasjtsi Well-Known Member

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    Wow... can't believe I didn't know this. I'm on a mission now!! Thanks bro!!
     
  15. Darkstar2007

    Darkstar2007 Administrator Staff Member

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    No problem!!
    :)
     

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