How to Install and Unlock iPhone 3G 3.0

in my previous post I've mentioned How to Update iPod Touch to 3.0 Firmware For Free now I am going to tell you how to install and unlock iPhone 3G 3.0 in this post

Ultrasn0w for iPhone 3G was released a few hours ago for public. The Dev Team has given no hints for the version of Ultrasn0w for iPhone 3GS.

There are no direct download or torrent links to download Ultrasn0w. The package has been uploaded on Cydia where all users with jailbroken iPhone 3G’s can download it.

How to Install and Unlock iPhone 3G 3.0

Here are some simple steps that you should follow to install and unlock your iPhone 3G 3.0. Make sure you create a backup of your device from iTunes before attempting the unlocking procedure.

1. Ensure you have upgraded to iPhone OS 3.0
2. Jailbreak your iPhone 3G using Redsn0w or PwnageTool (this will also install Cydia/Icy)
3. Run Cydia or Icy
4. Please add the repo repo666.ultrasn0w.com to Cydia or Icy
5. Search for ‘ultrasn0w’ in Cydia or Icy and install Ultrasn0w
6. Reboot your iPhone 3G
7. T-Mobile USA users should disable 3G before using ultrasn0w
8. Enjoy!