[HELP] How to downgrade from 4.2.1 to 4.1 Baseband 06.16.00 [3GS]

Discussion in 'iPhone Tips, Help and Troubleshooting' started by Ilyass, Feb 4, 2011.

  1. Ilyass macrumors newbie

    Joined:
    Jan 31, 2011
    #1
    Hello !!
    Right now, i have iOS 4.2.1 Jailbroken and Unlocked with baseband updated 06.16.00, but the only problem is this jailbreak tethered, so i want to downgrade the iOS from 4.2.1 to 4.1 with untethered Jailbreak
    btw i have SHSH saved
    please, i really need a full tutorial how to do this!!!
    Thanks in advance
     
  2. Ilyass thread starter macrumors newbie

    Joined:
    Jan 31, 2011
  3. PsstGreek macrumors 68040

    PsstGreek

    Joined:
    Oct 21, 2010
    Location:
    Tampa Bay
    #3
    The new just released GreenPois0n will untether your 3GS. No need to downgrade.
     

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