Anyone have success in downgrading back to 3.1.3 from 4.0?

Discussion in 'Jailbreaks and iOS Hacks' started by z400central, Jun 16, 2010.

  1. z400central macrumors regular

    Joined:
    Nov 8, 2006
    #1
    Thinking of putting 4.0 on my 3GS but I'm also selling my phone next week (Jailbroken 3.1.3) - so want to make sure I can revert back to the old OS.

    Thanks!
     
  2. dhlizard macrumors G4

    dhlizard

    Joined:
    Mar 16, 2009
    Location:
    The Jailbreak Community
    #2
    Why if you plan to restore next week. Plus 4.0 will update the baseband which doesn't revert or downgrade.
     
  3. Martinsalas310 macrumors regular

    Joined:
    May 13, 2010
    Location:
    Nampa, idaho
    #3
    downgrade by putting iphone into recovery mode and pressing alt+click and clicking 3.1.3 then when u get error 1015 just use a program called recboot to kick ur phone off recovery mode and voila u have 3.1.3 i just did it 2 days ago i ddnt like 4.0
     

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