This mobile is very good looking and very nice. Good sound quality and very good camera 13 mp primary camera with flash and auto focus and font camera 5 mp. Internal memory 16 GB slot micro SD up to 256 GB 2 GB RAM. Hd super AMOLED display 5.5 inches smooth touch screen much better than other phones and 4G and VoLTE support. Its processor is 1.7 ghz and battery is 3300mAh. Samsung is best for everyone. It has very easy features. OS android Android OS, v5.1(Lollipop). After using it, my personal opinion.