How can I restore my unlocked iPhone 3GS?

A'een Hisham September 25, 2012
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I have a iPhone 3gs that was unlocked and jailbroken. My girlfriend updated the phone, and now it is in activation mode and wont read the SIM card that was in it. How do I restore the phone so that it works again ?

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  1. Dawud Mehmood
    October 16, 2012 at 5:42 pm

    use custom firmware (google it)

  2. Calle Sweden
    October 2, 2012 at 3:27 pm

    i think that you need to re-install it, because whenever i try to update my jailbroken iPod Touch 4G, it does not work :/

  3. HLJonnalagadda
    September 26, 2012 at 12:17 pm

    Use whited00r. It is a mod that is for legacy devices. Awesome utility:

  4. susendeep dutta
    September 26, 2012 at 11:47 am

    How to fix jailbroken iphone updated with iTunes -

    How to downgrade and jailbreak iPhone 3GS accidentally updated to 4.0 (New BOOTROM) -