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Thread: iphone 3gs jailbreak for ios 4

  1. #1
    Default iphone 3gs jailbreak for ios 4
    So i just read the iclarified instructions to jb the iphone. What if im still on 3.1.2 fw, do i have to upgrade to 4.0 first? Or do i just make that new custom ispw file and use it?

  2. #2
    My iPhone is a Part of Me
    Join Date
    Apr 2010
    N. Ireland
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    Well are you on old or new bootrom? JB that device with blackrain and turn it off and on and see if it goes into recovery, if it does, reconnect to pc and run blackrain and it will boot. That will mean your on new boot.

    If it reboot's without issues your on old boot. In that case, simply restore to cooked iOS4 while keeping the phone JB with blackrain so it accepts the fw.

  3. #3
    i have the old bootrom, so do i just use the cooked ios4? no need to upgrade to ios4?

  4. #4
    if your already j/b, then yup just use your cooked ipsw

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