How To Unlock iOS 5.0.1 Running On iPhone 4 And iPhone 3GS With Ultrasn0w

Most of iOS users are asking, how to unlock iOS 5.0.1 running on iPhone 4 and iPhone 3GS. iPhone dev team has released ultrasn0w to unlock iPhone 4 and iPhone 3GS but it wasn't updated to unlock iOS 5.0.1. Some developers and hackers have updated Ultrasnow and Fix it to Support iOS 5.0.1 and unlock iPhone 4 and iPhone 3GS with the referring firmware. Let's check the guide after the jump.

Very Important Note: You should to jailbreak your iPhone 4 or iPhone 3GS running on iOS 5.0.1 with preserving the unlockable baseband. Sn0wbreeze is the only jailbreak tool that supports iOS 5.0.1. Current version of Redsn0w, can only jailbreak devices but still does not support preserving baseband for 5.0.1. 
Download sn0wbreeze to jailbreak iOS 5.0.1

Supported Basebands :

• 06.15.00
• 04.26.08
• 05.11.07
• 01.59.00
• 05.12.01
• 05.13.04

How To Unlock iPhone 4 & iPhone 3GS Running iOS 5.0.1 With Ultrasn0w Fixer :

Step 1: Open Cydia from your iDevice.

Step 2: Go for the ‘manage’ >‘sources’ > ‘edit’. Finally to ‘add’, here you paste in the URL:

http://cydia.myrepospace.com/smolk/

Step 3: Now you have the source and you will find two options for ultrasnOw unlocks. One is for iPhone 4 and the other for iPhone 3GS.

Step 4: You should choose the option that best suits you and install it. A reboot would get your application working.

We  advise you to wait untill iPhone dev team updates ultrasn0w officially to unlock iPhone 4 and iPhone 3GS on iOS 5.0.1