[Tutorial]Unlock iPhone 4,3GS,3G on iOS 4.3.3 Using Ultrasn0w 1.2.2

Ultrasn0w has been released the version 1.2.2 for iOS 4.3.3 work with iOS 4.3.3 Untethered jailbreak to Unlock iPhone 4, iPhone 3GS and iPhone 3G with old basebands. iPhone Dev Team’s iPhone 4 ,3G and 3GS software Unlock, now with added PwnApple.

Supported basebands: 01.59.00 / 04.26.08 / 05.11.07 / 05.12.01 / 05.13.04 / 06.15.00

Unsupported basebands : 02.10.04 / 03.10.01 / 04.10.01 / 05.14.02 / 05.15.04 / 05.16.02

iPhone 3GS users: You have to jailbreak your iPhone on 6.15.00 basebands on iOS 4.1 / 4.2.1, you can follow for PwnageTool Mac or guide for RedSn0w Windows / Mac (You may lose your GPS) Take step by step to unlocking below…

Step 1:

Now you have to jailbreak your iPhone 4 or iPhone 3GS/3G on the latest iOS 4.3.3, you can follow this guide (

Jailbreak 4.3.3 on iPhone,iPad,iPod touch Using Redsn0w[Tutorial])

Step 2:

Open Cydia on your iPhone 4 or 3GS

Step 3:

Go to Manage->Sources Step 4:

Now tap on “Edit”, then tap on “Add” and Enter the following repo http://repo666.ultrasn0w.com Step 5:

Now tap on “Add Source” then tap on Done. Step 6:

Search for “ultrasn0w ” in Cydia and install this application. This app will automatically unlock your iPhone so that you can use it with any carrier. Step 7:

Now simply restart your iPhone and you should now have a fully unlocked iPhone 4 or 3GS/3G, running iOS 4.3.3.

Step 8:

Now press the Home button then power off and power on the iPhone. You do this by holding down the power button for 3 seconds then moving the power slider that appears to the right. Press the power button again to turn on the phone.

You should now be able to insert the SIM of your choice!

***THANKS: A big thank you to all the members of the iPhone Dev-Team for all their hard work! It is much appreciated by all.