✅ ##0##* LCD display test

✅ ##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

✅ ##49862650468##* PDA, Phone, Hardware, RF Call Date 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 IMEI number

✅ ##8351## Enables voice dialing logging mode


✅ ##8350## Disables voice dialing logging mode

✅ ##778 (+call) Brings up