MuscleNerd and PlanetBeing who were responsible for the iPhone 4 unlock tool have released the stable version of ultrasn0w. You can now unlock your iPhone 4 in just 5 simple steps given below.
How to unlock iPhone 4 tutorial:
Requirements to unlock iPhone 4
- You must have jailbroken your iPhone 4, the tutorial to jailbreak iPhone 4 is here.
- Your iPhone 4 should be connected to the internet
Note: If you are on T-Mobile in US then you must disable 3G by navigating to: Settings->General->Network and turning the “Enable 3G” switch to OFF before installing the ultrasn0w unlock.
Step 1: On your iPhone 4 tap the Cydia app icon to launch the application.
Step 2: Tap on the Manage button located at the bottom of the screen.
Step 3: When the following window open, tap on the “Sources” button.
Step 4: Tap on the “Edit” button on the upper right corner of the screen and then tap on “Add”. When prompted to enter the source URL, type http://repo666.ultrasn0w.com and then tap on “Add Source” button. Now your sources will get updated automatically.
Step 5: Search for “ultrasn0w 1.0-1” in the Cydia and then install this app. The rest is all automatic at the end of which you will your unlocked iPhone 4 ready for any GSM carrier. You must restart your iPhone 4 before trying with any other carrier.