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  1. 3littlep1gs's Avatar
    I have a Jailbroken/Unlocked 3G with 3.0. I want to upgrade to 4.0, but I have a two questions first.

    1) Should I restore first?

    2) I dont have an original sim, is that a problem?

    Thank you in advance,

    2010-08-06 12:46 PM
  2. z3r01's Avatar
    1. you have to restore and update..

    2. after update to 4.01 you need a activation method then can u go to
    so...i would say find a att prepaid sim or a mate with att just to activate...if not find another way to activate which i doubt there is a way yet....make sure cuz if not ur gonna be here posting "Help i updated but cant activate"

    thanks button in advance
    2010-08-06 01:16 PM
  3. jkmonkey's Avatar
    If it's a 3G use redsn0w to jailbreak. It will hacktivate it for you too. Just hit restore in iTunes, it'll update the phone to 4.0.1. Then run redsn0w. When it asks for the ipsw point it to a 4.0 fw not 4.0.1. You can download both 4.0 and redsn0w 0.9.5b-5 from the downloads section of this site.
    2010-08-06 05:26 PM
  4. 3littlep1gs's Avatar
    Thanks. I will give both of these a shot. I started the redsn0w but had some issues locating the 4.0 ipsw. Maybe i was doing it wrong. I am in Prague, CZ, soi need to have a friend send me a sim card just in case I need it.
    2010-08-10 04:21 PM