Software Unlocked iPhone 3Gs upgrade to 4.0.0 from 3.1.2

Discussion in 'Jailbreaks and iOS Hacks' started by sezratd, Aug 21, 2010.

  1. sezratd macrumors newbie

    Joined:
    Jul 11, 2008
    #1
    Hi Guys-

    I have an Unlocked (Ultrasnow) iPhone 3Gs with 3.1.2 and I want to upgrade the software to 4.0.0/1/2. How can I do this without having to format all hard drive all over again, you know, downloading ipsw and do the pwnage tool and having to wait and download your data from your computer to your newly formatted iphone. Is there anyway that we can bypass that formatting stage?


    Let me know what you would do

    thanks!
     
  2. jav6454 macrumors P6

    jav6454

    Joined:
    Nov 14, 2007
    Location:
    1 Geostationary Tower Plaza
  3. sezratd thread starter macrumors newbie

    Joined:
    Jul 11, 2008
    #3
    You're saying there's no other way to do it?

    Having to do pwnage all over is a pain and long.

    Other way?
     
  4. sezratd thread starter macrumors newbie

    Joined:
    Jul 11, 2008
    #4
    OK, I tried that but i got error 1600 (iphone could not be restored). I used 4.0.0 and pwnage 4.01. What can I do to be able to use iOS on iphone 3gs? is it even possible to use jailbroken iOS on iPhone 3Gs?
     
  5. spoonk7 macrumors member

    Joined:
    Aug 15, 2010
    Location:
    CA
    #5

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