[NEW] Unlocking your iPhone for use with other carriers:

[imneveral0ne]

Unlocking your iPhone:

To Unlock your iPhone 2G: Download the Bootloader Files, along with the Jailbreak App, and follow the Tutorials posted below.

http://rapidshare.com/files/247018840/iPhoneBL39.46.rar

To Unlock your iPhone 3G:
1. Ensure you have upgraded to iPhone OS 3.0
2. Jailbreak your iPhone 3G using RedSn0w or PwnageTool (this will also install Cydia).
3. Open Cydia.
4. Add this source to Cydia:

http://repo666.ultrasn0w.com

5. Search for UltraSn0w in Cydia and install.
6. Reboot your iPhone 3G.
Please Note: T-Mobile users should disable 3G before using UltraSn0w.
Enjoy!