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Thread: determining bootloader version

  1. #1
    Default determining bootloader version
    I'm a new iphone jailbreaker (though experienced with windows mobile rom hacking).

    I looked at this matrix to determine which methodology I want to use for my virgin 3GS with 3.1.2 and using Windows.

    iPhone & iTouch Jailbreak / Unlock Matrix | jailbreakmatrix.com

    The first thing I need to do according to this is figure out my bootloader version. So I followed the instructions here to put it into DFU:
    DFU Mode | jailbreakmatrix.com

    and then here to determine my bootloader version:
    which-bootrom-do-i-have-3gs | jailbreakmatrix.com

    However the problem (as you can see from this screenshot) is that neither method in the above link shows me an iBoot value.



    What am I missing? Thanks much!

  2. #2
    I believe that f0recast can tell you.

  3. #3
    Livin the iPhone Life
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    f0recast looks at the serial number so that's not a sure way to check.

    OP, in USBView you need to check 'Config Descriptors' and click 'Refresh'.

  4. #4
    Thank you. f0recast says my bootloader is 6.4, which isn't listed in this matrix:

    iPhone & iTouch Jailbreak / Unlock Matrix | jailbreakmatrix.com



    Quote Originally Posted by dhamien View Post
    f0recast looks at the serial number so that's not a sure way to check.

    OP, in USBView you need to check 'Config Descriptors' and click 'Refresh'.
    Thanks, that did the trick!

    Last edited by robr; 2010-04-13 at 08:32 PM. Reason: Automerged Doublepost

  5. #5
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    Yeah, the bootloader is actually something else. The bootrom is what you're looking for and is what determines whether the jailbreak is tethered or untethered (for now).

  6. #6
    Google time. Ran Blackra1n, installed Cydia, installed Lockinfo from Cydia, rebooted, and am stuck in recovery mode now. So much for 1 button installers :P.

    Ran blackra1n again and it booted up and told me how to change lockinfo settings... becoming afraid to reboot again!!!
    Last edited by robr; 2010-04-13 at 10:38 PM.

  7. #7
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    The reason for getting stuck in recovery mode is the bootrom version 359.3.2 - this is called a tethered jailbreak.

    It's expected behavior and the fix is to run blackra1n. You'll need to do this every time you want to boot your phone. There's currently no way around this, although a new, untethered, jailbreak should be out soon'ish.

  8. #8
    oh ok, i was under the impression that if i rebooted, i lost the jailbreak and just had to rerun it, i didnt expect it would make the phone unbootable. i didn't realize if i ever want to reboot my phone, i need to do it near a pc. hmmm.... good to know.

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