images1If you are running a Jailbroken iPhone on firmware 3.0 and tired of the carrier your phone is locked to; you may now unlock it, thanks to the dev-team.  As we write this post there is no way to jailbreak the iPhone 3GS, so you will not be able to unlock it.

What You Need

Steps

Note: tmobile USA customers should disable 3G before beginning.  To get to the setting go to: Settings > General > Network

  1. Open Cydia, this is an application that is installed when you jail break your device.
  2. Go to the Manage tab, the “tabs” are located at the bottom.
  3. Select the Sources option
  4. Select the Edit button, this is located in the top right.
  5. Select the Add button, this is located in the top left.
  6. Input repo666.ultrasn0w.com (note: the 0 in snow is a zero)in the text box it should read http://repo666.ultrasn0w.com/ and press Add Source.
  7. You may get a warning, select “Add Anyway“,  If you get any other error make sure you have typed the correct URL, that o in snow is a 0(zero)
  8. As it will update every source not just the one we added, you may get errors in which you can ignore.
  9. Once it is all done go back to the main cydia menu and press the search tab
  10. Search for ultrasn0w (again the o in snow is a 0) and install
  11. Reboot your iPhone 3G

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