*#*#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.