Unlock iPhone Running iOS 4.3.2 with Ultrasn0w 1.2.2

The iPhone Dev Team has released Ultrasn0w 1.2.2 to unlock iPhone 3GS on iOS 4.3.2. and 4 It supports the oldest basebands only so that you have to preserve the baseband upgrade to unlock your iPhone.

Here are instructions step by step to unlock iPhone 3GS Running iOS 4.3.2 with Ultrasn0w 1.2.2 & 4

(1) First of all you need to jailbreak iPhone 3GS on iOS 4.3.2 or 4. With that don't forget to preserve old baseband using PwnageTool on Sn0wbreeze on Windows or Mac.

(2) If you have jailbreaké your iPhone, you now can it unlock on the basic band supported using Ultrasn0w Cydia 1.2.2. You need to do is:

Start "cydia" on your cock iPhone.Now click "Manage" at the bottom.Now typing on "Sources" as in the screenshot below:

Click on "Edit" followed of a tap on "add". Enter http://repo666. Ultrasn0w.com as Cydia/APT URL and click Add Source.

Now Cydia will update automatically your sources due to a series of automated steps.

Once the installation is completed, look for "ultrasn0w 1.2.2? in Cydia to install this application that will automatically unlock your iPhone so that you can use it with a carrier."

(3) Now restart your iPhone and you have an iPhone completely unlocked 4 or 3GS last 4.3.2 running iOS.

Cheers!