Here is the all Hidden secret codes for Andriod. This Codes are do not work for all Andriod versions
*#*#4636#*#*
Cell Battery, WiFi Usage ,Phone Information
*#*#3264#*#*
Display memory version
*#*#7780#*#*
Restore Factory Settings
*2767*3855#
Format Phone
*#*#197328640#*#*
Launch service mode
*#*#232339#*#*
Test WiFi
*#*#232338#*#*
Display WiFi MAC address
*#*#8255#*#*
Start Gtalk monitoring
*#*#1472365#*#*
GPS test
*#*#1575#*#*
Other GPS test
*#*#232331#*#*
Bluetooth test
*#*#4986*2650468#*#*
PDA, Phone, H/W, RFCallDate
*#*#1234#*#*
PDA and Phone
*#*#1111#*#*
FTA SW version
*#*#2222#*#*
FTA HW version
*#*#44336#*#*
PDA, Phone, csc,
*#*#0283#*#*
Packet Loopback
*#*#0*#*#*
LCD test
*#*#0673#*#* or *#*#0289#*#*
Melody test
*#*#0588#*#*
Distance sensor test
*#*#0842#*#*
Device test such as viberation and lightness
*#*#2663#*#*
Display touchscreen version
*#*#2664#*#*
Touchscreen test
*#*#232337#*#
Display Bluetooth physic address
*#*#232338#*#*
Shows WiFi MAC address.
