Xiaomi Mi 4s is basically an upgrade version the Mi 4.
It boasts a metal frame, glass panel on the back and front, and also fingerprint scanner.
It features a 5-inch 1080p display, Snapdragon 808 hexa-core processor, 13-megapixel rere camera, and connectivity options like dual-SIM support, and 4G LTE with VoLTE.