Hi, Xioami Redme 3S prime is a very good smartphone with good design, impressive battery life and other various good features, like 32gb internal memory, 3gn Ram, 13megapixel Rear camera and 5megapixel frontcamera. Very attractive things in it is, its different colours like silver grey, gold and 5 inch touchscreen. Its operating system is Android 6.0.1. But it has also a bad site, it’s bad site is its processor its only 1.1GHz .But it has very good features in this range compare to others similar smartphone. The best thing in it is, it’s battery life it has 4100mah battery life.I can recommend you for it’s impressive battery life and its good features.