jailbreaking + unlocking from 3.1 to 4.1

Discussion in 'Jailbreaks and iOS Hacks' started by kidwithdimples, Oct 23, 2010.

  1. kidwithdimples macrumors 6502a

    Joined:
    Jun 17, 2007
    #1
    This iPhone 3GS is on T-Mobile using 3.1. It was jailbroke with blackra1n. The first 5 # from serial number is: 84937 and modem firmware: 05.11.07

    Can I just plug the iphone to my mac, use itunes to upgrade it to 4.1 (i don't care if I lose any JB apps or etc), then use limera1n to jailbreak it?

    and would i need to install ultrasn0w to unlock it after JB'ing with limera1n?
     
  2. kidwithdimples thread starter macrumors 6502a

    Joined:
    Jun 17, 2007

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