Ultrasn0w 1.0-1 Released to Unlock iPhone 4 on Baseband 01.59.00

Planetbeing and MuscleNerd were working a lot the last few weeks to unlock our iPhone 4s on Baseband 01.59.00, they were waiting for comex's jailbreak to be released and it was released couple of days ago but there was some problems so the unlock was delayed! Now they just delivered the unlock and you can now free your iPhone 4 from AT&T Carrier with Ultrasn0w 1.0-1.
Note: For T-Mobile users, you have to Disable 3G Mode, Just touch on Settings --> General --> Network.
 
Step 1: You should have a jailbroken iPhone 4, you can follow the step by step guide to Jailbreak iPhone 4 posted here.
Step 2: After Jailbreaking, Navigate to Cydia Source by Going to Cydia --> Manage --> Sources.

Step 3: Touch on “Edit” and then on “Add”. Type "http://repo666.ultrasn0w.com" then hit "Add Source". Ultrasn0w will be added to your Cydia Source lists.
Step 4: After you install Ultrasn0w in your Cydia sources list, Search for "ultrasn0w 1.0-1" and install this app, and it will automatically unlock your iPhone 4.

Congratulations, Now you have a Jailbroken and Unlocked iPhone 4, Of course thanks to Planetbeing, MuscleNerd, Comex and all who worked for that to give us free iPhone 4s. By the way, I'm writing a guide to jailbreak and unlock any iPhone, So Stay tuned for that!
You may also like:

• PDF Loading Warner available in Cydia [Automatic Method]
• Planetbeing Drops "Singal" app in Cydia [Video]
• How to: Fix Purple Screen when Jailbreaking using JailbreakME