My phones battery is reducing suddenly when i am restarting my phone(on5 pro). what's the problem??. ex:charging is reducing from 40 to 15( approx). can anyone say whats the problem??.is there any problem in my phone or is it time to change the batt...

when does noughat update come to samsung galaxy j2 pro...??

when does next security patch for on5 pro. It is running on aug 2017 security patch.

is there volte on on5 pro. my phone is not detecting volte.