Code and descriptions
*#*#4636#*#*
Display informationabout Phone, Battery and Usage statistics
*#*#7780#*#*
Restting your phone to factory state-Only deletes application data and applications
*2767*3855#
It’s acomplete wiping of your mobile also it reinstalls the phones firmware
*#*#34971539#*#*
Shows completes information
about the camera
*#*#7594#*#*
Changingthe power button behavior-Enables direct poweroff once thecode enabled
*#*#273283*255*663282*#*#*
For a quick backup to all your
media files
*#*#197328640#*#*
Enabling test mode for service activity
*#*#232339#*#*
OR
*#*#526#*#*
Wireless Lan Tests
*#*#232338#*#*
Displays Wi-Fi Mac-address
*#*#1472365#*#*
For a quickGPS test
*#*#1575#*#*
A Different type GPS test
*#*#0283#*#*
Packet Loopback test
*#*#0*#*#*
LCD displaytest
*#*#0673#*#*
OR
*#*#0289#*#*
Audio test
*#*#0842#*#*
Vibration and Backlight test
*#*#2663#*#*
Displays touch-screen version
*#*#2664#*#*
Touch-Screen test
*#*#0588#*#*
Proximity sensor test
*#*#3264#*#*
Ram version
*#*#232331#*#*
Bluetooth test
*#*#7262626#*#*
Field test
*#*#232337#*#
Displays bluetooth device address
*#*#8255#*#*
For Google Talk service monitoring
*#*#4986*2650468#*#*
PDA,Phone,Hardware,RF CallDate
firmware info
*#*#1234#*#*
PDA and Phone firmware info
*#*#1111#*#*
FTA Software version
*#*#2222#*#*
FTA Hardware verion
*#*#44336#*#*
Displays Build time and change
list number
*#06#
Displsys IME number
*#*#8351#*#*
Enables voice dialing logging
mode
*#*#8350#*#*
Disables voice dialing logging mode
##778 (+call)
Brings up Epst menu
For more click here.