The redmi 3s prime is very good phone. its battery life is amazing. it has 4100mah battery. it is incredible. it has hd. the resolution is 720*1280 screen. it prefectively fit in one hand. the design of this phone is good it gives haptik feedback while holding in hand. its fingerprint scanner is also very good and responsiveness. the movement u touch the fingerprint scanner it unlocks the phone. it slightly lag while doing gaming on heavy graphics. gets a bit warm while using camera. it has hybrid sim slot