Hello I have been using samsung galaxy j7 for few months. Let me discuss few details of galaxy j7 with you. First of all it is 4g and works really nice. Second it is octacore that means that it can do 8 works at one time. Third it has a battery of 3000 mah which can last upto 7 days. You can use internet download files at a greater time experience. Fourth the camera quality is best it has 13 mp rear camera and 5 mp front camera. You can enjoy videos at 1080p. Fifth it never hangs. Sixth it has wide 16 gb internal memory and 1.5 gb ram. The most important thing os that its looks are really really sexy and stylish. I suggest you that you can go for it without any doubt.