Do I have to worry about preserving baseband if my iPhone 4 is factory unlocked?

Saumil Mehta February 29, 2012
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My iPhone 4 is factory unlocked & Jailbroken with iOS 4.3.3. I want to know whether I have to worry about preserving baseband when I install iOS 5.0.1. Again, I want 5.0.1 also jailbroken.

Any Inputs?

  1. Twisted Trunk
    February 29, 2012 at 3:02 pm

    Hi Saumil.. If I understand correctly, you had 2 questions in there. Here are my attempts to answer them both :)

    1 - You do not need to worry about baseband if it is already factory unlocked (as Mike said, baseband is a concern only if you're looking to use ultrasn0w to unlock)

    2 - You mentioned iPhone 4.. so I wasn't sure if that meant 4G or 4S, but either ways I've included 2 links below (with video tutorial) to jailbreak either device on 5.0.1

    (a) For 4G => http://www.redmondpie.com/jailbreak-5.0.1-untethered-on-iphone-ipad-ipod-touch-a4-devices-now-using-redsn0w-0.9.10b1-corona/

    (b) For 4S => http://www.redmondpie.com/jailbreak-5.0.1-ios-untethered-iphone-4s-ipad-2-using-absinthe-how-to-video-tutorial/

    Hope this helps..

  2. Mike
    February 29, 2012 at 1:00 am

    The baseband firmware is irrelevant for jailbreak to be done. It is only crucial if you need to further unlock your phone (e.g. ultrasn0w).

    So in your case, no.