What does saving your SHSH to Cydia mean?

Discussion in 'Jailbreaks and iOS Hacks' started by jdlindsey7, Feb 26, 2010.

  1. macrumors regular

    Joined:
    Feb 4, 2010
    #1
    I tried using the search function, but I really didn't find any answers to my question. I have a 3GS that I'm using on T-Mobile right now. It is 3.1.2 firmware, since I know better than to update before a jailbreak and unlock is released. I've read a lot about saving my SHSH to Cydia. What does that mean? How do I do that? What benefits does this have? Thanks for you help.
     
  2. macrumors 68000

    ngenerator

    Joined:
    May 12, 2009
    Location:
    USG Ishimura
    #2
  3. thread starter macrumors regular

    Joined:
    Feb 4, 2010
    #3
  4. macrumors 68000

    ngenerator

    Joined:
    May 12, 2009
    Location:
    USG Ishimura
    #4
    No prob, I know it's a lot to take in, but read carefully!
     
  5. thread starter macrumors regular

    Joined:
    Feb 4, 2010
    #5
    This article speaks directly about the 3GS, but does it work the same for a 3G? My fiance has a 3G on T-Mobile as well. Would the process work the same?
     
  6. macrumors 68000

    ngenerator

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    #6
    Nope, the 3G's hardware is different from the 3GS. You won't need to worry about saving the SHSH for the 3G, you'll always be able to downgrade that.
     
  7. thread starter macrumors regular

    Joined:
    Feb 4, 2010
    #7
    I really do appreciate your help. I'm by far not the most technologically advanced person. I just know I love my iPhone and I'm trying to do all I can not to run into any problems. If something happens I'm in trouble because I know I don't have a chance fixing it :D
     
  8. macrumors 68000

    ngenerator

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    May 12, 2009
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    #8
    Don't worry, there's a first time for everyone. Mine was recent too, well within the past 8 months or so:)
     
  9. macrumors 6502a

    JrFreak

    Joined:
    Aug 3, 2009
    #9
    It says "This device has SHSHs on file for iphone OS: 3.1.3" on Cydia for my pihone 3GS, but I have never upgraded from 3.0.1. Whassup with that?
     
  10. macrumors 68000

    Joined:
    Jun 2, 2010
    #10
    When you save your SHSHs the version that you save has nothing to do with the version of software on the phone. It relates to the version of software that apple is presently signing. You must have saved SHSHs after 3.1.3 was already available through Itunes. If you did the same thing today it would save SHSHs for version 4.
     
  11. macrumors 6502a

    JrFreak

    Joined:
    Aug 3, 2009
    #11
    Ahh cool. If I upgrade to 4 and jb will I be able to go back to 3.0.1 ever?

    3.0.1, 4.28.08, old bootrom, jb with redsn0w I believe
     
  12. macrumors G4

    dhlizard

    Joined:
    Mar 16, 2009
    Location:
    The Jailbreak Community
    #12
    Nope, just to 3.1.3 if that's the version of hashes you have.
     

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