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Discuss 3GS iOS 3.1.2 upgrade to 4.0.1 at the Blacksn0w (3G(S) unlock) - Hackint0sh.org; Dear Friends, My devise (3GS) is running on iOS 3.1.2 and I want to use ...
  1. #1
    Newbie Array davinzy's Avatar

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    Smile 3GS iOS 3.1.2 upgrade to 4.0.1

    Dear Friends,

    My devise (3GS) is running on iOS 3.1.2 and I want to use 4.0.1 . I have some doubts for upgrading process jailbreak again.

    I downloaded 4.0.1 ipsw file and I was going to restore it using iTunes , and then jailbreak using jailbreakme.com .

    But I have doubts are -

    1) SHSH file - how this will affect my process ,
    do I need to create a shsh file ?
    can I create a shsh file for 3.1.2 ?

    2) Firmware - I assume latest firmware versions will be also upgraded while Im upgrading . Is there any advice to take.

    Appreciate very much if I can get any idea regarding above OR any other way of upgrading from 3.1.2 to 4.0.1.

    thanks
    Last edited by davinzy; 08-22-2010 at 12:11 PM. Reason: grammer



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    upgrade to 3.1.3?
    use jailbreakme.com method or simply use spirit to jailbreak it. thereafter no matter if you upgrade to 4.0.1 you would be able to downgrade back to 3.1.3 with its ipsw

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    Super Moderator Array Olethros's Avatar

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    Quote Originally Posted by davinzy View Post
    My devise (3GS) is running on iOS 3.1.2 and I want to use 4.0.1 . I have some doubts for upgrading process jailbreak again.

    I downloaded 4.0.1 ipsw file and I was going to restore it using iTunes , and then jailbreak using jailbreakme.com .

    But I have doubts are -

    1) SHSH file - how this will affect my process ,
    do I need to create a shsh file ?
    can I create a shsh file for 3.1.2 ?

    2) Firmware - I assume latest firmware versions will be also upgraded while Im upgrading . Is there any advice to take.

    Appreciate very much if I can get any idea regarding above OR any other way of upgrading from 3.1.2 to 4.0.1.
    It is too late to request a SHSH for 3.1.3, 4.0 or 4.0.1 for your 3GS

    So without already having cached a SHSH from Apple you cannot use jailbreakme

    Your only option is if you have an old bootrom 3GS and you are currently pwned (that means you used any other 3.1.2 old-bootrom jailbreak aside from Spirit). If you meet this criteria, you can use pwnagetool 4.0.1 to restore a custom/pre-jailbroken iOS 4.0. We don't support sn0wbreeze here, so don't ask for advice about using it.
    Please read the stickies & search forum before posting!
    How to report an iTunes restore/update fail in a useful manner
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    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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    Super Moderator Array n1ckn4m3's Avatar

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    Quote Originally Posted by Olethros View Post
    Your only option is if you have an old bootrom 3GS and you are currently pwned (that means you used any other 3.1.2 old-bootrom jailbreak aside from Spirit). If you meet this criteria, you can use pwnagetool 4.0.1 to restore a custom/pre-jailbroken iOS 4.0. We don't support sn0wbreeze here, so don't ask for advice about using it.
    Biggest concern to watch out for is that you've got no safety net if the 4.0.1 custom restore fails -- so make sure you follow all instructions and follow all directions to the letter. If your restore fails, you risk having unpwned the phone and being able to only restore to 4.0.2, factory -- meaning your phone will be jailed and locked (if it's not factory unlocked).

    In any case, if you follow the instructions and proceed carefully, you should be fine to upgrade to a jailbroken 4.0.1 (if you've got the old bootrom 3GS).

    Good luck and let us know how it turns out.
    The preceding forum post has been brought to you by the letter "N" and the number 42.

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    I have the same problem and cannot find a solution.
    I have a 3GS iphone with 3.0.1 jailbroken with blakra1n. It works fine.
    I use WIN7 Pro.
    I downloaded "iPhone2,1_4.0_8A293_Restore" and run it, but my new itune 9.2 says it wants to upgrade my phone to 4.0.2 and I did not let it do it.
    I also downloaded Pwnage401, but I cannod do anything with it, is it a Mac program??

    Can anyone please give me a hand? Links to instruction pages?

    Many thanks
    keep smiling
    Spiv


  6. #6
    Super Moderator Array Olethros's Avatar

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    Quote Originally Posted by spiv View Post
    I have the same problem and cannot find a solution.
    I have a 3GS iphone with 3.0.1 jailbroken with blakra1n. It works fine.
    I use WIN7 Pro.
    I downloaded "iPhone2,1_4.0_8A293_Restore" and run it, but my new itune 9.2 says it wants to upgrade my phone to 4.0.2 and I did not let it do it.
    I also downloaded Pwnage401, but I cannod do anything with it, is it a Mac program??

    Can anyone please give me a hand? Links to instruction pages?
    You can't have blackra1n on a 3.0.1 3GS iPhone - blackra1n only supported iOS 3.1, 3.1.1 and 3.1.2

    You can only use custom IPSW / pwnagetool if you don't have to run blackra1n each time you boot up your phone.

    The IPSW you say you downloaded does not look like a custom IPSW (based on the name). We don't recommend you download IPSW from anyone except Apple. IPSW files not hosted by Apple are considered warez and we cannot link to pirated files. We recommend you make your own with pwnagetool -the custom IPSW you find on the internet can't be trusted to be what they say they are.

    iClarified - iPhone - How to Jailbreak Your iPhone 3GS Using PwnageTool (Mac) [4.0]

    Pwnagetool is mac only. There is an unofficial clone for windows (sn0wbreeze) - it is not recommened or supported on this forum. We recommend that you load OS X on a virtual machine (virtual box is free for example) and run pwnagetool from there.

    Or ask a friend with a mac to make the custom IPSW for you.
    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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