There is no house without a secret passage i believe, so likewise goes for gadgets we buy everyday. All operating systems do have its own secret way of setting things right incase something goes wrong.
So likewise goes for Android powered smartphones, the codes i’ll be listing below works on all almost Android phones but be careful on how use it.
DISCLAIMER:This information is intended for experienced users. Please do not try any of the following codes if you are not familiar with mobile phones. We’ll not be responsible for the use or misuse of this information.
*#*#34971539#*#*
-> This code is used to get information about phone camera. It shows following 4 menus:
*.Update camera firmware in image (Don’t try this option)
*.Update camera firmware in SD card
*.Get camera firmware version
*.Get firmware update count
WARNING: Never use the first option otherwise your phone camera will stop working and you’ll need to take your phone to service center to reinstall camera firmware.