UMI Hammer S 5.5 Inch Phone MTK6735 Quad Core Android 5.1 Smartphone FDD LTE 4G 2GB RAM 16GB ROM 13MP 3200mah Battery (Black) GPS Navigation,Email,FM Radio,MP3 Playback,Touchscreen,Bluetooth,Wi-Fi,Memory Card Slots,Video Player,Gravity Response,Front Camera,Message,HD Video Player,GPRS 2G:GSM 850/900/1800/1900MHz 3G:WCDMA 900/2100MHz 4G:FDD-LTE 800/1800/2100/2600MHz Rear camera: SONY IMX179, Max Pixels13MP + Front: 2MP camera OS:Android Lollipop 5.1, CPU: MediaTek MT6735 Quad-core 1.0GHz Battery:3200mAh