Hello guys recently samsung has updated j7 prime to oreo version but I face a heavy problem before mashmelo the charging capability is faster after nougat it decreases the speed now after oreo its take a day to charge my phone to 100% I mean in 1 hour only 15 %20% yesterday I charge my phone from 1pm to 7.30pm and I found my phone charged only 81% how can I solve my battery problem please reply
