best way to update a jailbroken 3gs 4.0 to 4.2.1 jailbroken on mac

Discussion in 'Jailbreaks and iOS Hacks' started by iSIILENT, Mar 15, 2011.

  1. iSIILENT macrumors regular

    Joined:
    Feb 6, 2008
    #1
    Hello,

    Would like to know best way to update a jailbroken 3gs 4.0 with baseband 05.13.04, to 4.2.1 jailbreak as well. i would like to keep the ability to unlock in the future incase i tend to sell or something. also want to keep it so ill be able to update to 4.3 and jailbreak and keep it easy as well.

    ill be using a mac
     
  2. noiceT macrumors 6502a

    Joined:
    Jul 7, 2008
    Location:
    Catalina Wine Mixer
    #2
    Pwnage Tool:

    http://blog.iphone-dev.org/

    (see the first post)
     

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