List of Useful Secret Codes for Android Mobile Phones

List of Useful Secret Codes for Android Mobile Phones

Secret Code	Purpose of Use
*#*#4636#*#*	Displays useful information regarding the mobile phone. Following Menus are Displayed using this secret code: Phone information Battery information Battery history Usage statistics Wifi information
*#*#7780#*#*	Secret code to Factory Reset any Android Mobile Phone. This code will reset and remove following data: Google account settings stored in the phone System and application data and settings All Downloaded applications This code will not format or erase following: Current system software and bundled applications Files and data stored in the external SD card.
*2767*3855#	Secret code to factory format any Android mobile phone. It will format and remove all data, files and settings of the mobile phone and the internal memory. It will also reinstall the phone firmware. This is a very risky secret code and must be used very wisely only when required or when no other option is left. Once this code is given, the operation cannot be stopped. It may be stopped by removing the battery but it may cause other troubles.
*#*#34971539#*#*	Secret code to get information about camera of the mobile phone. When this code is given, following menus will appear on the screen: Update camera firmware in image Update camera firmware in SD card Get camera firmware version Get firmware update count Select the required menu for related information. It is suggested not to use the first menu to update camera firmware or the camera might stop working.
*#*#7594#*#*	This secret code is used to change the “End Call / Power” button option.
*#*#273283*255*663282*#*#*	This code will open a File copy screen to backup media files like videos, music and sound, photos / images etc.
*#*#197328640#*#*	This code is used to enter into service mode to run different tests and change settings.
WLAN, GPS and Bluetooth Secret Codes
*#*#232339#*#* OR  *#*#526#*#*  OR  *#*#528#*#*