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Thread: Upgrade to OS 4

  1. #1
    Default Upgrade to OS 4
    Guys, I need some guidence..

    I have 3G, 8gb Version 3.1.3 MF 5.12.01 and I beleive the bootloader is 6.2..

    I got it JB and Unlock wiht Ultrasn0w...I use window xp..

    Question : can I upgrde to OS 4 and keep it unlock and JB> if yes..any one can help me how to?


  2. #2

  3. The Following User Says Thank You to Will01 For This Useful Post:

    maxximboy (2010-07-02)

  4. #3
    are you sure, base on my criteria, will this work?

  5. #4
    My iPhone is a Part of Me
    Join Date
    Apr 2010
    N. Ireland
    Thanked 81 Times in 75 Posts

    It will so long as you gave the correct info

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