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Discuss how to restore 3.1.2 iphone3gs at the iOS 3.x (iPhone OS 3.x) - Hackint0sh.org; i have a 3gs with os 3.1.2 and its modem firmware is 5.11. now please ...
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    Default how to restore 3.1.2 iphone3gs

    i have a 3gs with os 3.1.2 and its modem firmware is 5.11.
    now please any one tell me that if i need to restore it again without disturbing ma modem firmware how i do that



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    Super Moderator Array Olethros's Avatar

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    Quote Originally Posted by x-tra View Post
    i have a 3gs with os 3.1.2 and its modem firmware is 5.11.
    now please any one tell me that if i need to restore it again without disturbing ma modem firmware how i do that
    Old bootrom or new?

    Do you have a SHSH for 3.1.2 for that phone?
    Please read the stickies & search forum before posting!
    How to report an iTunes restore/update fail in a useful manner
    -

    iPad 3G 64GB (4.3.3, Redsn0w) oldest SHSH 3.2.2
    iPhone 4 32GB (4.2.1, Redsn0w JB-monte) oldest SHSH 4.1
    iPhone 3GS 32GB (4.3.3; Pwnagetool) factory unlocked oldest SHSH 3.1
    iPhone 8GB (3.1.3; Pwnagetool) AT&T Locked - Unlocked with bootneuter

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    Did we solve your problem? Got a dollar or two spare ? Donate!

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    Quote Originally Posted by Olethros View Post
    Old bootrom or new?

    Do you have a SHSH for 3.1.2 for that phone?
    its a new boot rom i dont know about shsh please describe me thanx again

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    Quote Originally Posted by Olethros View Post
    Old bootrom or new?

    Do you have a SHSH for 3.1.2 for that phone?
    @olethros i need your help please

  5. #5
    Super Moderator Array Olethros's Avatar

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    Quote Originally Posted by Olethros View Post
    Do you have a SHSH for 3.1.2 for that phone?
    Quote Originally Posted by x-tra View Post
    its a new boot rom i dont know about shsh please describe me thanx again
    See: for a good guide Hack that Phone - iPhone 3G S: Restoring "forbidden" firmware
    Please read the stickies & search forum before posting!
    How to report an iTunes restore/update fail in a useful manner
    -

    iPad 3G 64GB (4.3.3, Redsn0w) oldest SHSH 3.2.2
    iPhone 4 32GB (4.2.1, Redsn0w JB-monte) oldest SHSH 4.1
    iPhone 3GS 32GB (4.3.3; Pwnagetool) factory unlocked oldest SHSH 3.1
    iPhone 8GB (3.1.3; Pwnagetool) AT&T Locked - Unlocked with bootneuter

    -
    Did we solve your problem? Got a dollar or two spare ? Donate!


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    Super Moderator Array n1ckn4m3's Avatar

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    Quote Originally Posted by x-tra View Post
    its a new boot rom i dont know about shsh please describe me thanx again
    If you're running a 3GS with the new boot rom, you may be out of luck.

    SHSH hash is required for all firmware flashes on the 3GS. SHSH is hash of your iPhone's unique ID as well as a sig sign from Apple's servers on a per-firmware basis. This means that every time Apple releases a new firmware, they stop signing previous firmwares and previous firmwares can no longer be restored to the 3GS using standard means.

    If you jailbreak and use Cydia or if you don't jailbreak and use TinyTSS, you could have your SHSH on file. If everything I've said so far is Greek to you, there's a very high percentage chance you do not have the SHSH on file and will be unable to restore to 3.1.2 again.

    IF you have an SHSH AND you are able to follow the instructions in the sticky about using the Firmware umbrella to restore to 3.1.2 using Saurik's server, then you can use pwnagetool on a mac to create a custom firmware for the 3GS and load it in RECOVERY mode. (Not DFU mode, it won't work.)

    That will keep your modem firmware while letting you restore the 3.1.2 firmware.
    The preceding forum post has been brought to you by the letter "N" and the number 42.

    iPhone 4, 32GB (iOS 6.1.2 | evasi0n | SHSH: 4.0 - 6.1.2)
    iPad 2 3G, 64GB (iOS 6.1.2 | evasi0n
    |
    SHSH: 4.3 & 4.3.3 - 6.1)

    Restore problems? Read this: http://www.hackint0sh.org/f137/130802.htm

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