Here is the code I found to do things from the key cell. I found them while searching to find the other menu to test the GPS.
* # * # 4636 # * # * - Phone Information
* 2767 * 3855 # - Hard Reset
* # * # 7780 # * # * - Factory Reset
* # * # 7594 # * # * - Change End Call / Power Option
* # * # 197328640 # * # * - Service Mode
* # * # 255 * 273 283 * 663 282 * # * # * - File Copy Screen (Backup Media Files)
* # * # 526 # * # * - WLAN Test
* # * # 232338 # * # * - Shows WiFi MAC address
* # * # 1472365 # * # * - GPS Test
* # * # 1575 # * # * - Another GPS test
* # * # 232331 # * # * - Bluetooth test
* # * # 232337 # * # - Shows Bluetooth device address
* # * # 8255 # * # * - GTalk Service Monitor
Codes to launch various Factory Tests:
* # * # 0283 # * # * - Packet Loopback
* # * # 0 * # * # * - LCD test
* # * # 0673 # * # * - Melody test
* # * # 0842 # * # * - Device test (Vibration test and BackLight test)
* # * # 2663 # * # * - Touch screen version
* # * # 2664 # * # * - Touch screen test
* # * # 0588 # * # * - Proximity sensor test
* # * # 3264 # * # * - RAM version
Codes to get Firmware version information:
* # * # 4986 * 2650468 # * # * - PDA, Phone, H / W, RFCallDate
* # * # 1234 # * # * - PDA and Phone
* # * # 1111 # * # * - FTA SW Version
* # * # 2222 # * # * - FTA HW Version
* # * # 44336 # * # * - PDA, Phone, CSC, Build Time, Changelist number