Samsung galaxy j2 smart phone is very nice in mobile 1 gb ram and this mobile is 4g set.samsung galaxy j2 mobile is so nice set. in mobile fetures are every thing.so I recomended the more people the mobile.i am use this mobile since 1year ago.so I you will use the very nice mobile set.my friends use the same mobile set. samsung j2 is 4 g set .this mobile very useful .samsung j2 set is nice colours and very nice shap.