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Thread: 3GS JB / Unlocked 3.1.3 Stuck in Recovery Mode - Help Please

  1. #1
    Default 3GS JB / Unlocked 3.1.3 Stuck in Recovery Mode - Help Please
    Hi

    I have an iPhone 3GS that has been JB and Unlocked on 3.1.3 for quite some time (probably a year or more). If I recall correctly it is the old boot rom. The phone began intermittently rebooting at various times. Before I could rebuild, the phone entered recovery mode and I cannot seem to get it to boot normally.

    I have tried to use TU to exit recovery mode but to no avail.

    I know I have SHSH blobs saved but I cant check to see what versions have been saved on Cydia since it is in recovery mode.

    Any assistance is exiting recovery mode without impacting my ability to JB / Unlock.

    Thanks in advance

    SF

  2. #2
    Retired Moderator iYeow's Avatar
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    To save your shsh blob without a bootable device or have not used TU to save this idevice , do the followings below :

    You have to retrieve your ECID :
    Put your iphone into recovery mode , yours is already in recovery mode so you need have to do this.
    Now Click Start and type Device Manager
    Scroll to Universal Bus Controller
    Highlight Apple Mobile Device USB
    Right click properties
    Scroll to Device Instance Path
    Move the bottom cursor to the right
    You will see your 16 digits ECID
    Copy that and paste onto the ECID section of TU
    Make sure in TU : request shsh from Apple or uncheck > request shsh from cydia.
    Click Save shsh.


    Edit Reply

  3. #3
    Thanks

    It looks like I have the following SHSH blobs saved: 4.0 / 4.0.1 / 4.0.2 / 4.1 / 4.2.1 / 4.3 / 4.3.4

    Iphone 3GS
    Old Boot Rom
    3.1.3 (7E18) but stuck in recovery mode
    5.12.01
    Previous JB with jailbreakme.com
    Ultrasnow unlock

    I will need to restore , jailbreak and unlock.

    What would the recommended upgrade path be?
    What is the best process / tools to restore, jailbreak, and unlock?
    Is there anyway to preserve the existing BB?

    Any assistance you can provide is greatly appreciated.

    Thanks

    SF

  4. #4
    Retired Moderator iYeow's Avatar
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    I don't see 4.3.3 shsh blob, is it there ?

    Yes , you can preserve your unlock able by restoring to custom firmware

    Anyway, you want to create a custom firmware of 4.3.3 from snowbreeze 2.7.3
    Start tss server in TU, you need to put your iPhone into owned dfu mode , you can use the pwn dfu from snowbreeze but I find it easier to use redsnow to only put iPhone into dfu mode.
    Once in dfu mode , run iTunes : shift + restore to custom firmware of 4.3.3 you just built.
    Last edited by iYeow; 2011-07-25 at 06:23 AM.

  5. #5
    Unfortunately I do not have the 4.3.3 shsh blob. WHat other options do I have for JB and unlock?

    Thanks

    SF

  6. #6
    Retired Moderator iYeow's Avatar
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    Upgrade to 4.2.1 using custom firmware
    Download Snowbreeze 2.2.1 and download the stock 4.2.1 ipsw
    Create a custom fw of 4.2.1 from Snowbreeze
    Download Redsn0w RC 8 , run it in xp2 compatibility mode
    Run redsn0w, browse to stock 4.2.1, choose only option : Pwned dfu mode only ( i believe it is the last option in redsn0w )
    Once in pwned dfu mode
    Run itunes : shift + restore to Custom firmware of 4.2.1

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