Some secret codes to know more about your Android device

For every phone, there are some secret codes which are hidden from normal users for ensuring no misuse as well as phone exploits. These secret codes are very much useful for a normal phone user if used properly. As Android is a very new Operating System, hence there are only several secret codes programmed for it. These codes can be entered manually into the dialpad directly by the device user. These secret codes are shared in this article as under : 1. Complete information about your Android device : *#*#4636#*#* Entering this code into your device’s dialpad opens up a window showing the following menu items : Phone information Battery information Usage statistics Wi-Fi information Opening these menus will give you all the information about your phone, battery, Application usage time, Wi-Fi API, Wi-Fi Config and Wi-Fi status. 2. Restoring Factory data : *#*#7780#*#* Entering this code into your device’s dialpad will open up a screen asking to ‘Reset phone’ and an option for erasing SD card also. 3. Completely formatting Android device (Think before using) : *2767*3855# This code will completely format your Android device including internal files. This code will also reinstall the phone firmware. Once given, there is no way to cancel this operation, so think before using this code. 4. Updating the phone camera : *#*#34971539#*#* Entering this code into your phone’s dialpad will proceed you to a screen having following options. Update camera firmware in image Update camera firmware in SD card Get camera firmware version Get firmware update count 5. Changing the function of Power button : *#*#7594#*#* Using this code, you can change the action of power button. By default, If one long press the power button, then it’ll ask three options ‘Silent mode’, ‘Flight mode’ and ‘Power button’. Using this code will allow you to enable direct power off the device. 6. Creating backup : *#*#273283*255*663282*#*#* This code allows you to backup your media files (Images, Sound, Video files and .amr audio files). 7. Service test mode : *#*#197328640#*#* Entering this code into your dialpad allows you to run various system tests as well as change system settings as per requirement. 8. LCD test : *#*#0*#*#* 9. Melody test : *#*#0289#*#* or *#*#0673#*#* 10. Vibration and backlight test : *#*#0842#*#* 11. Touch screen test : *#*#2664#*#* 12. Proximity sensor test : *#*#0588#*#* 13. Bluetooth test : *#*#232331#*#* 14. GPS test : *#*#1472365#*#* 15. WLAN test : *#*#528#*#* or *#*#526#*#* It is suggested to the reader of this article that no misuse should be done using these secret codes.