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Discuss How to downgrade firmware post OS4 at the iOS 4.x (iPhone OS 4.x) - Hackint0sh.org; Hey guys, as soon as I got my iPhone 3GS I made the mistake of ...
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    Question How to downgrade firmware post OS4

    Hey guys, as soon as I got my iPhone 3GS I made the mistake of calling Apple for support and the first thing they did is make me update my phone. So I got 3.1.3 .... since upgraded to OS4.

    Is there anyway way possible, on a windows machine.... to jailbreak my phone now..... be it downgrade firmware.... whatever, to run a jailbroke 4.0?



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    Super Moderator Array Olethros's Avatar

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    Quote Originally Posted by rjmckay View Post
    Hey guys, as soon as I got my iPhone 3GS I made the mistake of calling Apple for support and the first thing they did is make me update my phone. So I got 3.1.3 .... since upgraded to OS4.

    Is there anyway way possible, on a windows machine.... to jailbreak my phone now..... be it downgrade firmware.... whatever, to run a jailbroke 4.0?
    Nope.. Apple has stopped signing OS 3.1.3 now so you are stuck at OS 4 (non jailbroken) for the moment. That is unless you backed up your SHSH with Cydia or TinyUmbrella.
    Please read the stickies & search forum before posting!
    How to report an iTunes restore/update fail in a useful manner
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    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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    dam
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    ive got the same problem, but i have the shsh por 3.1.3 , and i can downgrade to 3.1.3

    but, i cant jailbreak 3.1.3 with the only tool that works (pwnage 3.1.5), it keeps me saying "connect device tu usb" and i cant restore

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    Super Moderator Array Olethros's Avatar

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    Quote Originally Posted by dam View Post
    ive got the same problem, but i have the shsh por 3.1.3 , and i can downgrade to 3.1.3

    but, i cant jailbreak 3.1.3 with the only tool that works (pwnage 3.1.5), it keeps me saying "connect device tu usb" and i cant restore
    I should have been clearer in my last post. It is 3.1.2 that is the OS you really need a SHSH for.

    To low-level jailbreak a 3GS (Spirit style userland jailbreak is not a low level jailbreak) - you need to be running OS 3.1.2 or lower. There is no direct jailbreak for the 3GS or iPod touch 3rd gen for 3.1.3 or 4.0 yet.

    So if you have no SHSH for 3.1.2 you are stuck (for now) with only Spirit as an option.
    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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    Another post worth looking at is this: http://www.hackint0sh.org/f236/144523.htm

    If you have a 3GS + old bootrom + 3.1.3 SHSH, then you can restore to stock 3.1.3 and jailbreak with Spririt. Once you have done that, you can follow msft.guy's instruction to pwn the LLB so custom 4.0 pwnage firmware can be used.
    ** If you just want to support hackint0sh.org with a donation click here **


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    Quote Originally Posted by dtube View Post
    Another post worth looking at is this: http://www.hackint0sh.org/f236/144523.htm

    If you have a 3GS + old bootrom + 3.1.3 SHSH, then you can restore to stock 3.1.3 and jailbreak with Spririt. Once you have done that, you can follow msft.guy's instruction to pwn the LLB so custom 4.0 pwnage firmware can be used.
    Don't forget that they need a legit AT&T SIM to activate 3.1.3 before they can Spirit -- people who rely on an unlock for their service can be caught by this and if they don't have a 3.1.2 SHSH on file this can impact their ability to use the phone.
    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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    Supporter Array juanvictortoca's Avatar

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    how would this process of downgrading be exactly? just get iTunes 9.1 and restore+optionkey (mac) to original 3.1.3 and then use an AT&T sim to Activate and then Spirit to Jailbreak+Ultrasn0w to unlock? (for a person who has 3.1.3 SHSH on sauriks server)
    Last edited by juanvictortoca; 07-04-2010 at 02:33 AM.
    iPhone 4 16GB [4.0.2 / Unlocked (ultrasn0w) & Jailbroken (http://jailbreakme.com) ]
    15" MacBook Pro [Unibody]
    Custom PC [Windows 7 RC(7100)]

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    If you have SHSH saved, read this > Downgrade iPhone 3GS iOS 4.0 to 3.1.3 with Cydia SHSH | jailbreak

    I did a downgrade from 4.0 to 3.1.3 and my phn is running absolutely fine after that.

 

 

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