Hy the xiaomi redmi 3s prime is the best phone xiaomi redmi 3s prime battery backup is very good it has 4100 mah battery and it gas fingerprint sensor, light sensor its bluetooth v4.1 and xiaomi redmi 3s prime has support 2G network , 3G network and also 4G support and xiaomi redmi 3s prime rear camera is 13MP phase detection auto focus with led flash and its front camera is 5MP it has 3GB ram and its internal memory is 32GB and expandable memory is upto 128GB its operating system us android OS v6.0 ( marshmallow) its display is 5.0 inches it has dual sim phone its price is below than 10, 000 it is in dark gray, silver and gold colour its display type is IPS LCD xiaomi redmi 3s prime is never hang you can playing games with long screen so I advice to you can buy this mobile phone