It sound quality is bad.it has many sound problem. I use it. so I know it problems. It design is not bad but its frame is so bad.samsung glaxy j2 hangs many time when you multitask. so it is a average type phone not good not bad.it has 1.5gb ram.its prosseser is low. its camera is not good. its battery life is avaerage 2-3hour.its picture quality is not bad not good. its touch system is not bad.its price is so high. I bought it in RS7500.its main problem is hang.so I sold it.it can not support otg cable.now in days otg cable is so usefull.