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.

Pre-Requisites

• Your iPhone 4 must already be jailbroken. [Jailbreak iPhone 4 iOS 4.0, 4.0.1]
• UltraSn0w can only unlock iPhone 4 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: http://repo666.ultrasn0w.com 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:

• Jailbreak, Unlock iPhone 3.1.3 [Redsn0w]
• Jailbreak, Unlock iPhone 2G 3G 3GS 3.1.2 [SnowBreeze]
• Unlock iPhone 3G 3GS [blackra1n] [blacksn0w]
• Unlock iPhone 3.1.2 05.11.07 with blacksn0w

More Jailbreaking Guides:

• Jailbreak iPod Touch 3G MC, 2G iOS 4.0.1 [JailbreakMe]
• Jailbreak iOS 4.1 [iPhone 3GS, iPod Touch 3G, 2G]
• Jailbreak iPhone 3G, 3GS, iPod Touch 3G iOS 4
• Enable Tethering on iOS 4

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