iPhone 3GS iOS 4.2.1 with BB 6.15 upgrade to iOS 5?

Discussion in 'Jailbreaks and iOS Hacks' started by ratboy90, Apr 12, 2012.

  1. ratboy90 macrumors 6502


    Apr 15, 2009
    I've been out of this whole jailbreaking and unlocking thing for a while so I don't wuite remember how to do it. Can I upgrade my jailbroken and unlocked 3GS with iOS 4.2.1 and Baseband 6.15 to iOS 5? Can anyone tell me which of the 3o million guides and how'tos i need to follow?
  2. dhlizard macrumors G4


    Mar 16, 2009
    The Jailbreak Community
    iClarified.com has tutorials
    Redn0w gives an untethered jailbreak on 5.1 for old bootrom 3GS, tethered for new bootrom 3GS

    But, if you unlock, Ultrasn0w does not yet work on 5.1 firmware.

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