How to Unlock iPhone 4 iOS 4.0, 4.0.1 [Ultrasn0w]

The wait is over, UltraSn0w 1.0-1 is now available to unlock for iPhone 4.

How to unlock iPhone 4 with UltraSn0w iOS 4.0.1/4.0 baseband 01.59.00.


Note: T-Mobile USA users please disable 3G network first. Settings >General >Network and turn the “Enable 3G” switch to OFF.

Step 1. Open Cydia, and add the following URL: to your sources.

Step 2. Search for Ultrasn0w and install it:

Step 3. Once the installation is completed, reboot your iPhone 4.

Freaking Freedom! You can use any carrier with iPhone 4, after all its legal.

More iPhone Unlocking:

More Jailbreaking Guides:

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