I am using Samsung Galaxy J7 from last two month and I found that its a amazing phone in below Rs.15000/- range, it has very good picture quality, touch is smooth, battery back up is awesome, very good 3G, 4G and WiFi speed.
Samsung hanging problem is no longer in this phone even I have installed near 45 apps but still its running smoothly. My rating is 5/5. if you are planing to buy this phone surely you deal will be good and you will never disappointed from this phone. it have cool and royal design. I have gold color model. its super amoled screen is awesome. color quality is good and you can watch clear picture upto 160 degree angle.