Note: This guide is not final. It will be fully updated when iLiberty+ is released.
The repair process for broken WiFi/BT and signal problems has been integrated into the new iLiberty program. This is done by downloading iLiberty+ and the WiFi_Fix payload.
1. Restore phone to 1.1.4 using iTunes
2. Download iLiberty+ and the WiFi_Fix payload
3. Run iLiberty+
4. On the Standard tab, check the boxes for Jailbreak and Activate only
5. On the Payloads tab, check the box for EDGE/WiFi/Bluetooth fix
6. On the Standard tab, click on Free my iPhone!