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Thread: Iphone 3GS stuck in DFU Mode - Need Help

  1. #1
    Unhappy Iphone 3GS stuck in DFU Mode - Need Help
    Stuck in DFU Mode - Need Help

    Iphone 3GS
    Baseband - 6.15.00

    Tools used
    RedsnOw 0.9.6rc16
    sn0wbreeze 2.2.1
    TinyUmbrella 5.00.06

    Steps Taken So Far
    Was stuck with error 3194 but recovered it by using Tiny Umbrella
    Restored the device to 4.2.1(orginal firmaware) threw me error 1600
    Started Tiny umbrella
    Used redsn0w to enter DFU mode
    Used sn0wbreeze to create custom 4.2.1 firmware
    Itunes to restore using custom firmware
    Successfully restored but my iphone got stuck in DFU/Recovery Mode
    Again used RedSn0w for tethered reboot
    Iphone rebooted with pineapple logo and again flashed and went back to DFU mode

    Action Taken to recover from DFU mode
    Used greenp0ison but still same problem
    Used tinyumbrella fix recovery but no use
    Used iREB to fix recovery loop but still no use

    I have seen many blogs that tiny umbrella helps to fix this issue which they say by clicking on exit recovery will solve the issue. But in my case the 'Enter Recovery" and "Exit Recovery" buttons are Disabled.

    Anyone please help me resolve this issue. I have been researching on this for two weeks but still unsuccessful.

  2. #2
    My iPhone is a Part of Me xtacy's Avatar
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    This happens when you use tu but it has no blobs..
    Do you have shsh blobs? Does tiny umbrella show blobs?

    U can try a stand alone fixrecovery package fr Tinyumbrella blog.
    She call me Mr. Boombastic say me fantastic, touch me in me back
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  3. #3
    Quote Originally Posted by xtacy View Post
    This happens when you use tu but it has no blobs..
    Do you have shsh blobs? Does tiny umbrella show blobs?

    U can try a stand alone fixrecovery package fr Tinyumbrella blog.
    I wasnt aware of shsh blobs wen the firmware was upgraded.... tinyumbrella didnt show me any shsh blobs.... i used the fixrecovery standalone package too...still it didnt help me...
    For firmware 4.3.3 jailbreak wen i tried snowbreeze n ireb n standalone tumbrella it ended with apple logo with spinning wheel....
    For firmware 4.2.1 the same procedure lead me to black screen

    Anyways to restore my phone ? Atleast can i use wit at&t sim ?
    Last edited by joden007; 2011-07-25 at 04:01 PM.

  4. #4
    My iPhone is a Part of Me xtacy's Avatar
    Join Date
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    Thanked 93 Times in 92 Posts

    Ok do one thing. Black screen is due to absence of shsh.
    Use redsn0w to boot it..
    Run Cydia. Tell me if it shows numbers in green.. :-)

  5. #5
    Default So far...
    Hello, as I was scanning through the forums looking for a solution to my recent problem, I found this thread. I am having the same problem as described here. I tried everything to get my 3GS out of DFU mode. I too tried everything from holding down home/power button for allotted time, to using FixRecovery from the TinyUmbrella site. And everything in between. I followed your advice as far as using Redsn0w to boot up. This was the only thing that actually got the phone to boot up. I can now access the phone in its' entirety. When I go to Cydia as you instruct, it won't load up the 'Home' page. It also won't load up any of the applications. I went to the 'Changes' tab and hit 'Refresh'. Still nothing. Also I hit 'Reload' on the 'Home' page, and that give me "Network Error"..Unable to Load (The certificate for this server is invalid. You might be connecting to a server that is pretending to be "cydia.saurik.com" which could put your confidential information at risk.)...But when I go to Safari and I have internet access. So that eliminates the no connection, or broken wifi probabilities. So I ask now what should I do? I really appreciate your help so far. Hope all this info helps. Oh yes and this is my iPhone information:
    Model: iPhone 3GS
    Capacity: 16GB
    Version: 4.3.3
    Modem Firmware: 6.15.00

  6. #6
    Default Hi
    Guys i thoug was ,e. maybe is. but i got 2 iphone 3gs stuck in dfu-mode after restore from tumbrella. please help i pay.

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