I charged my phone 100% and left it after 10hrs I saw the charge have reduced by 33% whereas it would have decreased 1-3% a week ago. And why does Android System & Android OS takes so much percentage of charge? Earlier it would consume less % of cha...

All my sensors stopped working expect fingerprint sensor. What could be the reason? And how to fix it. I tired hard resetting the device but it didnot fixed my problem.