The iPhone Dev Team has updated Ultrasn0w to version 1.2.4 just two days after the release of the iOS 5. But the team did not update their unlock tool after Apple has released iOS 5.0.1. So some hackers has released “Fix for Ultrasn0w” on iOS 5.0.1.
Here we will guide you through unlocking your iPhone 4/3GS on iOS 5.0.1 with Ultrasn0w. But first you must have a jailbroken device. Here is our guide on how to jailbreak iOS 5.0.1 with Redsn0w, Sn0wbreeze and Semi-Tethere.
How To Unlock iPhone 4/3GS on iOS 5.0.1 With Ultrasn0w?
Step 1:Launch Cydia on your Device
Step 2: Go To Manage > Sources > Edit, Then add the repo below:
That’s it you are done, Just reboot your device and you are good to go.