Need help jb iPhone 3GS 4.2.1

Discussion in 'iPhone' started by brendan90, Mar 10, 2011.

  1. brendan90 macrumors newbie

    Joined:
    Mar 10, 2011
    #1
    I have an IPhone 3GS with 4.2.1 firmware never been jailbroken. It has a new bootrom and 05.15.04 baseband. I do not want 6.15 baseband but I do not care if the jb is tethered or untethered. I want to use my AT&T network on my computer with the iPhone and I heard this was possible only after jailbraking. Is it and how would I do this on a pc?
     
  2. nukem170 macrumors member

    Joined:
    Feb 14, 2011
    #2
    Use GreenPois0n. It's untethered. I just did it yesterday. If your phone is already on At & T you dont need to unlock after jailbreaking. Good luck;
     
  3. canderton macrumors member

    Joined:
    May 25, 2010
    #3
    redsn0w works good, that's what I'm currently running my 3GS on and its still on the 4.2.1 firmware.. however mines an older 32GB, I've heard the newer 3GS's are a little trickier so it may not work as well for you.
     
  4. brendan90 thread starter macrumors newbie

    Joined:
    Mar 10, 2011
    #4
    thank you that worked with no problem. After all the bull i went through it only took about 10 minutes in the end. Thanks again.
     

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