1. evolancer13#IM's Avatar
    Is it possible to downgrade from 4.0 to i guess any other firmware? I have a 3g that is unlocked so I can use T-mobile and i heard 3.1.3 is unlockable. Please help 4.0 is draining my battery and is terribly slow.

    06-25-2010 06:46 PM
  2. sammars69's Avatar
    I'm having the same problem.. will let u no when i find a fix
    06-28-2010 03:56 AM
  3. evolancer13#IM's Avatar
    yeah last night i downgraded to 3.1.3 and works so much better its a lil complicated but i can help out... I used to jailbreak it... Good luck!
    06-28-2010 12:27 PM
  4. sammars69's Avatar
    i'm getting to the bit where u shift and restore. but which file do i select and how do i do it? any idea's?
    06-28-2010 01:19 PM
  5. evolancer13#IM's Avatar
    you should select the 3.1.3ipsw file then it will run and get an error which is normal so you know.
    Sorry i didnt respond earlier didnt get a chance to log into here...
    06-29-2010 12:12 AM