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Thread: Can i downgrade 3G using another 3Gphones ssh files

  1. #1
    Question Can i downgrade 3G using another 3Gphones ssh files
    I am currently trying to unlock a friends 3G iphone it was updated to 3.1.3 on at&t 5.6 with firmware of 05.12.01 my question is can i SSH into my 3G iphone on 3.1.2 and downgrade his to match mine using my copied files into his via SSH and then be able to unlock it from there??

    Any options or ideas???

    Thanks
    Erik

  2. #2
    Retired Moderator Poseidon79's Avatar
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    Baseband upgrades are permanent. You can DFU restore back to 3.1.2 but the baseband will remain at 5.12.01 no matter what.

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    wa2ruff (2010-05-13)

  4. #3
    So basically now that it is at 5.12.01 it is impossible to unlock?

  5. #4
    Livin the iPhone Life
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    Quote Originally Posted by ErikSocal View Post
    So basically now that it is at 5.12.01 it is impossible to unlock?
    Correct.

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    wa2ruff (2010-05-13)

  7. #5
    Default If your lucky
    If the bootloader is 05.08 you can use fuzzyband in cydia to downdrade your baseband and unlock with ultrasnow all from the iphone 3g heres a youtube video to show you how... im running 05.09 so it didnt wrk for me.

    [ame=http://www.youtube.com/watch?v=ZW3xuHe_2Dw]YouTube - HOW TO UNLOCK IPHONE 3G 3.1.3[/ame]

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