Android Hidden Codes

There are some hidden secret codes which shows some interesting options and some useful information about the phone.

Use the dial pad to type in the below codes

*#*#4636#*#* - Shows Phone information, Battery information, Battery history, Usage statistics

*#*#8255#*#* - Show GTalk service monitor

*#*#1111#*#* - Service Mode

*#*#232331#*#* - Bluetooth test

*#*#3264#*#* - RAM version

*#*#0588#*#* - Proximity sensor test

*#*#2664#*#* - Touch screen test

*#*#0842#*#* - Vibration test