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Since my time is limited I'm just copy/paste here what I have posted in YA, I'm looking to downgrade my iPhone 3GS (currently has OS 4.3.3) to OS 3.1.2 or ...
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  1. #1
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    Xbuntu / iProduct help (Downgrade to 3.1.2 on iPhone 3Gs 4.3.3)


    Since my time is limited I'm just copy/paste here what I have posted in YA,


    I'm looking to downgrade my iPhone 3GS (currently has OS 4.3.3) to OS 3.1.2 or OS 3.1.3, I already have the OS 3.1.2 ipsw. However, after 7 hours of searching for a way, I cannot find a (working) way to revert back using Linux, as it can have neither iTunes nor any of the jailbreaking software that can allegedly accomplish this, and it's a bit tiresome.

    Also, feel free to ask for additional details if what I have provided is insufficient

    Thank you in advance to anyone who can help!

    ___

    I'm very new to Linux, as my "charming' older brother would say in not so nice terms, however it runs so nice on my less-than-new compy I'm trying my best to get used to it, however I need to downgrade the OS on a iPhone and everywhere I've looked so far in my search has been fruitless! I need to do this asap, so any speedy help I would be very much grateful for!

    Also, if there's anything I likely won't know (such as terminal commands) to go along please touch on that a bit too? I've been searching up things for days but Linux is alot more confusing than Windows or OSX.

  2. #2
    Administrator jayd512's Avatar
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    Hello and Welcome!

    It's been a while since I dealt with an iPhone in any way, but AFAIK the only way to downgrade iOS on a phone is via iTunes.
    I believe you would have to perform a Restore iPhone, and then point the restore to a saved Backup of your phones settings and info.

    Incidentally, I used to work on Apples support line . And the tech line won't support downgrading.

    Things may have changed since then, but I doubt it. And without sounding like a brushoff, you may have better answers for this on an Apple based forum. http://www.mac-forums.com/
    Last edited by jayd512; 03-14-2012 at 08:19 AM. Reason: hit <post> button to soon.
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