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Thread: urgent help required ...stuckin dfu mode

  1. #1
    Green Apple
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    Default urgent help required ...stuckin dfu mode
    guys i need your help... very urgent

    i'm using my iphone 3gs with 4.0 ..but today i kep in to dfu mode to install 4.3.3.

    i created the custom ipsw file using snowbreeze mine is mb model.

    i don't know the boot version when i asked the software to check it said "unknown ", so i kept as old boot room as its an mb model and created the ipsw file

    i have installed the ipsw on my device but after installing it says "wait for 10 sec to restart the phone"..but again it stays in dfu mode ..

    screen becomes blank not even itunes and cable image is diaplaying....

    plz guys help me out from this problem....

  2. #2
    Livin the iPhone Life
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    Did you use Tiny Umbrella to check which SHSH blobs are available?

    SHSH blobs are required to restore any non-current iOS.
    Download and run Tiny Umbrella (link below, post #1), advanced tab,
    ... check 'set Hosts to Cydia', Save SHSH, give it a min to finish;
    ... uncheck 'set Hosts to Cydia', Save SHSH, give it a min to finish.
    ... In the General tab, what SHSH versions are displayed?

    While you're waiting, re-read the Tiny Umbrella post #1 for valuable info.

  3. #3
    What do you see when you plug in your iPhone and open iTunes?

  4. #4
    Green Apple
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    @iflames itunes pops a message that the device is in recovery mode ....

    @mes.. i have saved shsh blobs but now tiny umbrella was saying no shsh blobs was available to this device.
    right now tiny umbrella is not showing my device ..it got stuck in dfu mode..my phone was shown in "recent phone "
    Last edited by jaswanthkoppu; 2011-09-01 at 07:15 PM.

  5. #5
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    When you click on your 'recent phone' in TU, do you have a 4.3.3 SHSH blob shown?

  6. #6
    Green Apple
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    shsh file is saved in my computer ..so how can i use that file to recover my device ...

    @no it is not there

  7. #7
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    Quote Originally Posted by jaswanthkoppu View Post
    shsh file is saved in my computer ..so how can i use that file to recover my device ...

    @no it is not there
    I'm confused. Answered both yes and no ?!?

    Do you have a 4.3.3 SHSH blob for you iPhone?

  8. #8
    Green Apple
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    no i do not have 4.3.3 shsh blob ..

  9. #9
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    Does TU show --ANY-- SHSH blobs for your device?

  10. #10
    Green Apple
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    no...but i found a file in that path which is mentioned in TU "CDocuments and Settings\koppu\.shsh"

  11. #11
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    The path is where SHSH blobs (if any) are stored. If it's empty, nothing is saved.

    As I said in post #2, an SHSH blob for each iOS version is required. You appear to have none
    However, Apple is signing (approving) iOS 4.1. Without other blobs, this is you only choice.

  12. #12
    Green Apple
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    so how do i solve this problem ?
    first how to get out of this dfu mode ?

    with the help of snowbreeze i created a ipsw file and installed on it ..every thing worked fine but after installing it's again itunes says that iphone is in recovery mode...
    Last edited by jaswanthkoppu; 2011-09-01 at 07:49 PM.

  13. #13
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    When you restore without an valid SHSH blob, crazy unusual and bad things happen to your device.

    I suggest restoring to 4.1, since Apple is currently approving that version.

    iTunes 10 or higher is required.
    1. Download redsn0w 0.9.6rc8.
    2. Run TU, advanced tab, uncheck 'set hosts to cydia on exit', exit TU
    3. Recheck hosts file. Delete all lines which contain: gs.apple.com
    4. Connect the iPhone, wait a min or so, then hold power + home buttons for 6-8 sec
    ..... this is a forced power off. Listen for a computer high-low sound
    ..... If iTunes opens, leave it open. Ignore iTunes until later
    5. Run redsnow 0.9.6rc8, select 4.1, select one (1) option, 'just enter pwnd-DFU'
    ..... follow the count-down timer. Verify successfully entered pwnd-dfu.
    6. Open iTunes. Hold shift, press restore, in the new window select 4.1 iOS.
    7. If iTunes 10xx error, use TU 'exit recovery' (not fix recovery)
    Done. Restored to stock 4.1

    8. To jailbreak, run redsnow, check "install Cydia".

  14. #14
    Green Apple
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    Recheck hosts file. Delete all lines which contain: gs.apple.com

    where is it located ?

    right now there is no os in iphone the screen is blank

  15. #15
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    On a Windows sytem: CWindows\System32\drivers\etc\hosts

    Question(s):
    Why were you using Sn0wbreeze?
    Do you have the iPad BB installed?
    Do you need an unlock?

    If you answered yes to any, stop. I'll change the instruction to build a custom firmware.

    Quote Originally Posted by jaswanthkoppu View Post
    ...right now there is no os in iphone the screen is blank
    Doesn't matter.
    Last edited by Mes; 2011-09-01 at 08:04 PM.

  16. #16
    Green Apple
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    1)downloading 4.1 ipsw
    2)downloaded redsnow

    4.1 takes 2 hours to download i'll try it after that

  17. #17
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    Ok. You forgot to answer my questions
    Question(s):
    Why were you using Sn0wbreeze?
    Do you have the iPad BB installed?
    Do you need an unlock?

  18. #18
    Green Apple
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    yes i need unlock ..and i did not install ipad baseband

  19. #19
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    OK. Go ahead and try the procedure as written.

  20. #20
    Green Apple
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    ok..i'll ping you after 2 hours ...i have one more question

    "If iTunes 10xx error, use TU 'exit recovery' (not fix recovery)
    Done."

    but i can find the option on TU but its disabled.

    host file as 2 lines in the last
    "#127.0.0.1 gs.apple.com
    #74.208.10.249 gs.apple.com"

    can i delete these 2 files.

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