Samsung galaxy j7 pro mobile very nice and ram speed is very good it work fast and good and 3gb is given so no lagging problem battery is3600 mah battery power standby 2days battery life and inbuild memory is 64gb is given and external memory is 128gb its very amazing and snapdrsgon process is given and the display is very good and given latest os 7.0 and look very good performance and the display quality is very good and given strong display but price is high but samsung performance and quality is ok for this price