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Thread: Please Help Me Downgrade!

  1. #1
    Default Please Help Me Downgrade!
    Hey guys. I upgraded my wife's 3G to the 4.0 Golden Master and it runs INCREDIBLY slow on the 3G. I would like to revert to 3.1.2 or 3.1.3. Is this possible or is she stuck with the turtle pace phone now?? Please help! I'm using a mac but I can boot into Windows 7 through Parallels if needed.

  2. #2
    Retired Moderator j3st3r's Avatar
    Join Date
    Mar 2008
    Thanked 405 Times in 395 Posts

    If you find that you want to back down from the 4.0 until it's more useable, here's how to do it.

    Restore to official 3.1.2 or 3.1.3. Your baseband won't be downgraded, so you'll get error 1015 at the end of the restore.
    Use rslite or irecovery to get past error 1015. Using rslite, you'd do:
    % rslite
    rslite v0.2 - by the iPhone Dev Team, 2009.

    [Recovery] setenv auto-boot true
    [Recovery] saveenv
    [Recovery] reboot
    Your baseband will still be at 05.13 from 4.0, but FW 3.1.2 and 3.1.3 will work fine with it. The current carrier unlocks will not.

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