Ultrasn0w has been released the version 1.2.2 for .3 work with 4.3.3 to , and with old basebands. Dev Team’s ,3G and 3GS software , 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
users: You have to your iPhone on 6.15.00 basebands on iOS 4.1 / 4.2.1, you can follow for or guide for Windows / (You may lose your GPS) Take step by step to unlocking below…
Now you have to jailbreak your iPhone 4 or iPhone 3GS/3G on the latest iOS 4.3.3, you can follow this guide (
Openon your iPhone 4 or 3GS
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.
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.