Hi!! I just had a security patch update today..and after that my volume button stopped working I can't control my volume neither can i take ss .... anyone having same issue?? It happened once before but my cellphone restarted on it own and the issu...

I've just bought it and it's draining power more than it's supposed to do.....even though the battery is of 6000mh.. I charged it fully and didn't even touch it and the battery went from 100 to 86%.. Can someone recommend me any solution for this#sam...