Take care of 4g phones the consume a lot of bundles when using mobile data but the internet is faster.Battery of Samsung j7 2016 is very good very reliable .its really good .i am using it for past one week.no issues everything is great in this device good for buy phone all features fantastic and totally satisfied with it.i have both the phone of j7 .older one and new j7 2016 both performance is best.phones do not get hanged even with heavy games it is best phone in this price segamant