The highly awaited iOS 4.0.1 unlock for iPhone 4 is available now, right after the jailbreak was made public. It is now possible for iPhone 4 owners running iOS 4.0.1 locked to AT&T to unlock their device and use with the carrier of your choice. Follow the list of instructions below to proceed with the unlock.
- Open Cydia on your jailbroken iPhone and go to Manage -> Sources.
- Now tap on edit and then add the following repository
https://repo666.ultrasn0w.com/ and tap on “Add Source”
- After the update is complete, search and install “ultrasn0w 1.0-1” to unlock the iPhone. Restart you iPhone to finalize.
Notice: HardwareInsight does not support or endorse the unlocking procedure on this page.