Samsung Galaxy Express I437 Unlocked GSM 4G LTE Touchscreen Android Smartphone - Black 4G: LTE 700 MHz Class 17 / 1700 / 2100 4.5-inch Super AMOLED Plus Capacitive Multi-Touchsscreen Android OS; Dual-Core 1.5 GHz Krait Processor, Chipset: Qualcomm MSM896 Snapdragon 5 Megapixel Camera (2592 x 1944 pixels) w/ LED Flash + Front-Facing 1.3 Megapixel Camera Internal Memory: 8GB (5GB user available), 1GB RAM + microSD Slot Expandable up to 32GB