I found notification from Samsung. That my mobile battery Gradually down while using Hotspot with Personal Computer. Either Full Bettey Charge in 2 Hours and usually 8 to 10 Hours Running. BUT I use Hotspot Internet Then Ussaly Charge Charge after 3 ...
May be service center try to change new batteriesBut probably problem Work as it it..Because you are not understand battery was down while using Hotspot only eighter mobile works good.