The highly publicised
iPhone Ultrasn0w 1.1 to unlock baseband 05.14.0 and 02.10.04 on iOS 4.1 or 4.2 for iPhone 3GS, iPhone 3G, iPhone 4 will be released next week after
iOS 4.2 public release.
Use
iPhone Ultrasn0w 1.1 to unlock your iPhone 3G:
1. Jailbreak your iPhone with
Redsn0w 0.9.6B2
2. Start 'Cydia' on your
jailbroken iPhone 3G springboard.
3. Go to '
Manage' > '
Sources' at the bottom of your iPhone screen.
4. Go to 'Edit' > 'Add'. Then you need to enter a URL source. Type 'repo666.ultrasn0w.com' and then select on 'Add Source'.
5. Once the installation is completed, you are able to search for '
ultrasn0w 1.1-1' in Cydia and install
ultrasn0w 1.1.

6.
Ultrasn0w 1.1 will automatically unlock your
jailbroken iPhone 3G.
7. Just reboot your iPhone 3G now.