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  1. Mojic's Avatar
    Hi i have never downgraded anything before and i need a step by step guide to downgrade my iphone 3gs on windows xp because i need it to be jailbroken/ unlocked because it doesn't work with fido due to the fact its from rogers. I just tryed to get it unlocked/jailbroken recently but the guy that does this for me say's he cant because it has the most recent software 4.0.2 and he told me to downgrade it to 4.0.1 which he say's is probably impossible so that he can unlock/jailbreak it for me. So if any one knows of a way to do this could you please give me a step by step guide to do this on windows xp i would really appreciate the help. Oh and i just have to say again i have never done this before so if you could can you make it as simple as possible for me.

    Thank you i would really appreciate the help.
    2010-11-27 11:42 PM
  2. iYeow's Avatar
    You don't have to downgrade from 4.0.2 to 4.0.1, you can jailbreak your 4.0.2 with Limera1n.
    Once jailbroken, go to cyida and install Ultrasn0w to unlock.
    2010-11-27 11:52 PM
  3. Mojic's Avatar
    Ok but how do i do this i dont know where to go to get limera1n or how to use it. Oh and will i then be able to use it with my fido sim card.
    2010-11-28 01:30 AM
  4. Simon's Avatar
    2010-11-28 01:32 AM
  5. Mojic's Avatar
    Just gotta ask once again will i be able to use my fido sim card in it after i've jailbroken it or would i have to unlock it to use it with my fido sim card
    Last edited by Mojic; 2010-11-28 at 03:44 AM.
    2010-11-28 03:33 AM
  6. Simon's Avatar
    If you have never been passed 4.0.2 then yes, just install ultrasn0w from cydia after you jailbreak.
    2010-11-28 03:37 AM
  7. Mojic's Avatar
    Well i have never been passed the 4.0.2 software cause thats the one i have. So i geuss i'll be able to do all that. Thanks for the help.
    2010-11-28 03:48 AM
  8. iYeow's Avatar
    Your baseband is unlockable, just install ultrasn0w to unlock.
    2010-11-28 04:24 AM