NO.1 Mi4 5.0 Inch 3G Smartphone GSM+WCDMA MTK6582 Quad Core 1.3GHz 1GB+16GB Android 4.4 13.0 MP Dual Cameras GPS Bluetooth Wifi (White) Single Sim,GSM+WCDMA GSM/ 850/900/1800/1900; WCDMA 850/2100 MTK6582 Quad Core 1.3GHz CPU,RAM 1GB ROM 16GB,support TF card up to 128G (Not Included) Dual Cameras, Front 8.0 MP, Back 13.0 MP Support Wifi 802.11 b/g/n,Hot spot,Bluetooth,GPS,A-GPS,Face Recognition,Voice Control,Flash Led and so on.