iPhone 3GS Firmware 3.0 how to restore and NOT update?

Discussion in 'Jailbreaks and iOS Hacks' started by JReynolds, May 26, 2010.

  1. JReynolds macrumors 6502

    Apr 16, 2009
    Where the Air Force sends me
    I'm selling my iPhone on 3.0

    The guy wants it to to stay on 3.0 but I need to erase all the data in order to sell it.

    I have less than an hour to figure this out PLEASE HELP
  2. bytethese macrumors 68030


    Jun 20, 2007
    Welp, I wonder what you did since it's been more than an hour.

    Personally I would have told the guy he gets an updated phone as I would have Erased All Content and Settings so that none of my personal data could be recovered. If he wanted to be able to unlock, then I would have performed the necessary steps to backup my SHSH with Cydia then using Saurik's iTunes "hack", I would have restored a custom 3.0 (personally I would do 3.0.1 so there's no SMS vulnerability) and then you'd be fine.
  3. dhlizard macrumors G4


    Mar 16, 2009
    The Jailbreak Community
    Most of us would have made the phone ready to sell before actually selling it, not the other way around.
  4. Applejuiced macrumors Westmere


    Apr 16, 2008
    At the iPhone hacks section.
    You can JB it on 3.0 with Redsnow or blackrain.
    And then assuming you have untethered JB restore it to custom 3.1.3 with an IPSW created with pwnagetool.
    Thus preserving an unlockable bootloader and JB along with a restored firmware that has none of your info on it.
    Its a little involved.
    If not just manually delete all your stuff from it like contacts, texts, email accounts, apps, log out of your itunes account etc...

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