Various mobile secret codes

*#*#232339#*#* OR *#*#526#*#*
OR *#*#528#*#* - WLAN test (Use
"Menu" button to start various tests)
*#*#232338#*#* - Shows WiFi MAC
address
*#*#1472365#*#* - GPS test
*#*#1575#*#* - Another GPS test
*#*#232331#*#* - Bluetooth test
*#*#232337#*# - Shows Bluetooth
device address
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
Codes to launch various Factory
Tests:
*#*#0283#*#* - Packet Loopback
*#*#0*#*#* - LCD test
*#*#0673#*#* OR *#*#0289#*#* -
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