The CPU Is OCTA Core. Cellular: WCDMA. Android Operation System. Feature: Touch Screen, GPS Navigation, Auto Focus, WIFI, 3G, Dual SIM. Used Phone Grade: A+ (Excellent). Battery Capacity: 2100mAh Lithium-ion Polymer Battery. Screen Resolution is 1280*768. Display Type: TFT. Dual SIM Card Dual Standby. RAM/ROM: 1/4GB. Support Multi-language.