SHSH blob backup question

Discussion in 'iPad Hacks' started by mbob, Jan 21, 2012.

  1. mbob macrumors member

    Joined:
    Jul 8, 2009
    #1
    I have no reason to jailbreak currently but was wondering what procedure to use in order to ensure I could jailbreak it in the future if I wanted. Could I download the current iOS firmware and backup my current SHSH blob without jailbreaking? Is tinyumbrella the way to do this?
     
  2. grapes911 Moderator emeritus

    grapes911

    Joined:
    Jul 28, 2003
    Location:
    Citizens Bank Park
    #2
    TinyUmbrella is what you want. No need to jailbreak to save blobs.
     
  3. interwebs macrumors member

    Joined:
    May 26, 2011
    #3
    I'm confused. I have a GSM ipad2 and just ran the latest TinyUmbrella to save SHSH for 5.0.1. I saw in another thread people saying I need to upgrade to 5.0.1 now if I want to ever have it because SHSH are "useless" in IOS5. However, I saw on the TU website that it makes APNonce requests, although I don't know if that generates a separate file or that's just included in the SHSH file that TU creates.

    I'm on 4.3.3 right now; I haven't jailbroken my ipad in the past but I guess I like having the option. However, I'm not sure yet about whether I want to upgrade to IOS5 right this second as I have to check app compatibility. Newer versions of some of the apps I use have design changes I don't like, or obnoxious bugs, so I have left them on older versions. I haven't had time to check everything for compatibility so I'm not sure I want to rush in to upgrade to IOS5.

    In any case, do I need to upgrade now or can I wait and upgrade to 5.0.1 later, given that I just saved SHSH (I guess w/ AP Ticket???) in TU?
     
  4. ThHeartlessHero macrumors member

    Joined:
    Jan 22, 2012
    #4
    If you've saved the 5.0.1 SHSH Blobs in TinyUmbrella, you do not need to update your iPad now. At a later time, if Apple has stopped signing 5.0.1, you can use TinyUmbrella and your saved Blobs to trick iTunes into restore a 5.0.1 IPSW onto the iPad and then jailbreak with Absinthe.
     
  5. interwebs macrumors member

    Joined:
    May 26, 2011
    #5
    Okay! I don't understand what some of the posts mean when they say that a bootrom exploit is needed or some other sort of thing in order to be able to use stored blobs for IOS5 on a GSM ipad2. Other places I look, it seems as though this isn't the case. It's very confusing!
     
  6. Intell macrumors P6

    Intell

    Joined:
    Jan 24, 2010
    Location:
    Inside
    #6
    To reuse saved iOS 5+ SHSH blobs on an A5 or newer iDevice a bootrom is needed. The only A5 iDevice that can reuse saved SHSH blobs is the WiFi iPad 2 and 4.3.X SHSH blobs.
     

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