How to back up SHSH?

Discussion in 'Jailbreaks and iOS Hacks' started by kuangmao, Oct 19, 2010.

  1. kuangmao macrumors member

    Oct 19, 2010
    Now can not restore the iphone ios to older IOS, can only restore to the currently newest IOS.
    How to back up the SHSH, and how to use the SHSH, to restore iphone ios to older ios?:confused:
  2. shakeman0 macrumors 6502a


    Jul 20, 2009
    Have you already updated your phone? If it is updated, and you did not save the SHSH while you were still running the previous OS, you cannot restore to the old OS. If you want to save the SHSH for the OS you are currently running, download Tiny Umbrella, plug in your phone, open TU, and hit save SHSH.

    Good luck,
  3. iPhone-power macrumors 6502a

    Nov 12, 2009

    Firmware version on the phone has nothing to do with hashes that can be saved.
    Only the hashes of the current version of firmware being signed by Apple can be saved.
    You can only restore to firmware versions that you have hashes saved for.
  4. shakeman0 macrumors 6502a


    Jul 20, 2009
    Oops my bad! I forgot that part. :(
  5. En28so macrumors newbie

    Aug 29, 2010
    I bought a Jailbroken and unlocked iphone 3gs, when I try to save shsh, it says I'm too late. So are these files in cydia or something? I'm on fw 4.01, so how do I get my files from cydia? If I have to restore i'm stuck with 4.1?
  6. iUser4Lyfe macrumors 6502

    Jun 15, 2009
    You can only save 4.1 hashes at this time.

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