Camera and charging problem in htc 816g

I have been using htc desire 816g from past 1 year...and its camera goes off from the phone..i dont know what happen to it...but this tym i m having only selfie camera in it...main camera has completely gone from my phone...dont know..how ...and another problem is it had started problem in charging too...i have to switch off it to charge it... m so upset with dis now...what should i do to bring back my camera and to overcome dis charging prblm.

from Android Authority Forums http://ift.tt/1YiFeKk
via IFTTT