Improving flash camera with Build.prop
1 - First you have root on your mobile
2 - Have App 'root explorer' installed
3 - Open it and go to the folder / system
4 - Click and hold your finger on Build.prop file
5 - When the options appear, choose "Open with Text Editor '
6 - Now just add the lines.
#Flash LED Camera
ro.media.capture.flash=led
ro.media.capture.flashMinV=3300000
ro.media.capture.torchIntensity=65
ro.media.capture.flashIntensity=100
7 - Finished, open the options menu by clicking the menu of your mobile physical
8 - And choose 'Save and Exit'
9 - Delete a file that will be created: build.prop.bak
10 - And finally restart the phone.