J7 6 has 5.5 Amoled Display so its display resolution is very excellent. It has 2 GB of RAM so never hanging. It has 1.4 octa core processor so it’s performance are unbelievable. Its camera REAR 13 MP FRONT 5 MP AND F1.9 It has 3300 mAh battery its so long time use. This Mobile very beautiful and good hansest for Samsung series.i like that mobile this mobile camera so very good. photo clearty was very well. This mobile feature was very good.fast charging. .I had bought Samsung Galaxy J7( 2015) in January 2016.It was a smooth ride untill Marshmallow arrived.I was getting disastrous battery life but the phone became more smooth and lag free.Then, I downgraded to 5.1.1 using Odin software because I was tired of it’s low battery life