Its a very good mobile from Samsung, Good display, Good camera performance and this is a dudget phone super, 5.5 inch super AMOLED display , 23 MP megapixel camera, 16GB storage much more features in this mobile.3300 MAH Battery, Android 6.0.1 operating system.Battery lasts for the whole day with regular usage, But Two problems in this mobile one of the J7 does not have a NFC which is a drawback when compared to other devices at the same price tag and very slow charging to take 4 Hours to fully charge the battery.