3GS 3.1.2 (05.11.07) to 4.2.1?

Discussion in 'Jailbreaks and iOS Hacks' started by sovereign, Mar 26, 2011.

  1. sovereign macrumors 6502

    sovereign

    Joined:
    Feb 13, 2009
    #1
    The forum will not allow numerical searches, so... I have stayed at 3.1.2 to keep my free internet tethering, but would like to know how I can get into the "4s". 4.2.1 seems to be where I can end up with an untethered JB. I have downloaded the 4.2.1 restore.ipsw. Via tinyumbrella I have found that I do in fact have the 4.2.1 blob saved, as well as several others. Can I create a custom 4.2.1 firmware with PwnageTool and preserve a non-ipad baseband and go straight to 4.2.1?
     
  2. LucasG macrumors regular

    LucasG

    Joined:
    Aug 4, 2010
    #2
    Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_2_1 like Mac OS X; en-us) AppleWebKit/533.17.9 (KHTML, like Gecko) Version/5.0.2 Mobile/8C148a Safari/6533.18.5)

    Yup that's exactly how you'd do it. :)
     

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