Secret codes for Android Mobile Phones

1.get complete information about your phone dial *#4636#*#*
its shows usefull information about

phone information
battery information
battery history
usage statitics
                                         

2.to get information about factory data reset dial *#*#7780#*#*
it is used to remove google account and application data and settings in your phone


3.To formatt your android phone dial *2767*3855#
it will remove all phone memory and system firmware so think twice before you use this code


4.phone camera update dial *#*#34971539#*#*
it shows four option

update camera firmware in image (dont try)
update camera firmware in sdcard
get camera firmware option
get firmware update count


5.End call/power *#*#7594#*#*
when you long press the power option you will get silent mode ,reboot,airplane mode options.you can enable direct power off using this code



6.copy file for creating backup
*#*#273283*255*663282#*#* this opens a screen where you can take a backup of media file


7.service mode
*#*#197328640#*#* you can run various test and change the service mode settings



8. *#*#1472365#*#* - GPS Test

    *#*#232331#*#* -bluetooth test
  
    *#*#2664#*#* -touch screen test

    *#*#0588#*#* -proximity sensor test

    *#*#3264#*#* -RAM version