battery life draining rapidly apps not wokring

[AC Question]

since the nougat update my htc m9 is not working properly at all apps are not opning and my battery would normally last from 7am till 7am now not even half the day since this update can some one please help before I loose it

 

[B. Diddy]

Welcome to Android Central! Try wiping the cache partition: https://support.t-mobile.com/docs/DOC-31522