Secret codes for Android mobile.

Latest Android Mobile tricks 2011: 
Cell Battery, WiFi Usage etc Info *#*#4636#*#* 
Restore Factory Settings 
*#*#7780#*#* 
Format Phone 
*2767*3855# 
Launch service mode *#*#197328640#*#* 
Test WiFi 
*#*#232339#*#* or 
*#*#526#*#* or 
*#*#528#*#* 




Display WiFi MAC address *#*#232338#*#* 
GPS test 
*#*#1472365#*#* 
Other GPS test 
*#*#1575#*#* 
Bluetooth test *#*#232331#*#* 
Display Bluetooth physic address 
*#*#232337#*# 
Start Gtalk monitoring 
*#*#8255#*#* 
PDA, Phone, H/W, RFCallDate *#*#4986*2650468#*#* 
PDA and Phone 
*#*#1234#*#* 
FTA SW version 
*#*#1111#*#* 
FTA HW version *#*#2222#*#* 
PDA, Phone, csc, 
*#*#44336#*#* 
Packet Loopback 
*#*#0283#*#* 
LCD test *#*#0*#*#* 
Melody test 
*#*#0673#*#* 
or 
*#*#0289#*#* 
Device test such as vibration and lightness 
*#*#0842#*#* 
Display touchscreen version 
*#*#2663#*#* 
Touchscreen test 
*#*#2664#*#* Distance sensor test *#*#0588#*#* 
Display memory version 
*#*#3264#*#*