Fast

my j7 max battery is draining very fast what i do please talk somethingonly 4 hours

bhai yar koi mere ko ye bata do ki wifi calling ka feature kya kam aata hai mere j7 max me hai koi baat do yar please

mere j7 max me yar ye rojaan hi hota hai pata nahi ye hai kya mere to kuch samjh hi nahi aa raha hai yadi apke pass koi idea ho to please talk me youtube applications par hbota hai

Hey guys i am rohiti am using J7 Max last 5 Months. In last 30 days i am very unhappy with my phone because the charging speed is very increased.I am also going to service centre and they change my charger cable but the problem is same.after 80% of C...