iPhone 5.1 Downgrade

Discussion in 'Jailbreaks and iOS Hacks' started by NineTails, May 3, 2012.

  1. NineTails macrumors newbie

    May 3, 2012
    I have had a iPod Touch 2nd Generation jailbroken.
    I saved my .shsh blobs on 4.2.1.
    I am buying an iPhone on 5.1 tomorrow.
    Can I use my .shsh that i saved w/ my ipod to
    downgrade the iPhone to 4.2.1 so that i can upgrade
    to 5.0.1 so i can have an untethered jailbreak?
  2. flying.oranges macrumors newbie

    Sep 20, 2011
    no u cant...i asked the same thing and got this reply...

    though untethered jb for 5.1 isnt far away....pod2g has allready said on this twitter account that his iphone 4 with 5.1 has now an untethered jb...

    4S would be a problem...
  3. Applejuiced macrumors Westmere


    Apr 16, 2008
    At the iPhone hacks section.
    Shsh blobs are unique and cannot be used with another device.
  4. NineTails thread starter macrumors newbie

    May 3, 2012
    So im just better off waiting for a 5.1 untethered?
  5. labman macrumors 604


    Jun 9, 2009
    Mich near Detroit
    that's for you to decide I've been tethered before I survived.
  6. NineTails thread starter macrumors newbie

    May 3, 2012
    Tethered you just cant turn on your device if you turn it off right?
    Might not be too bad..
  7. BlueRaider macrumors regular

    Mar 2, 2012
    Tethered jailbreaks work fine but you didn't state if your buying an iPhone that can run a tethered jailbreak. The iPhone 4S has no publicly available bootROM exploit and consequently no tethered jailbreak. iPhone 3GS & 4 are both vulnerable to 2 known bootROM exploits and therefore jailbroken for life albeit tethered only at times. If your new to jail breaking an iPhone 4 might be your best bet.
  8. NineTails thread starter macrumors newbie

    May 3, 2012
    Well i wouldn't say im new to jailbreaking. I just have never had a tether jailbreak before, so i know nothing about it. I've been jailbreaking (untethered) since 3.1.3 . But i am buying a iPhone 3GS, for now, which runs on some other processor not A4 or A5

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