J7 is the best smartphone middle class people because it has low price whith best feturs .
J7 has duble camera thi duble flash light. back camera 13 mp so best picture quality and front camera use for best selfi. And other very best usefull for all type .it is also lollipop version 5.1.1 and ram is 1.5 gb .easy work for we . Going marcket and early buying j7 and use your life .i love all samsung smartphone.