Well folks pop the champange, and thank the iPhone DevTeam, Sherif Hashim and Oranav for this one: you can finally unlock your iPhones. Ultrasn0w 0.9.3 is released in Cydia and if you’re new to this, here’s a tutorial on how to unlock:
1. Load Cydia
2. Add repo: repo666.ultrasn0w.com ( Manage>Sources>Add)
3. Install ultrasn0w 0.93
4. Reboot your iPhone
5. Done deal
6. Enjoy and thank the iPhone DevTeam, Sherif Hashim and Oranav
NOTE: disable 3G on T-Mobile USA