screen flickering

Aug 18, 2013
hello, today i was using my m2s to the last release of miui, then i turned off the phone, and when i turned on it, i got screen flickering all time at max luminosity, if i use autobrightness is all ok, i tried to format system, data,cache i flashed 3 different roms but it is still here, what can i do to fix this?