DOOGEE X5 RAM 1GB+ROM 8GB 5.0 inch Android 5.1 3G Smart Phone MT6580 Quad Core 1.3GHz Unlocked Cell Phone GSM & WCDMA, Dual SIM (Black+OTG Cable) Band (2G): GSM 850/900/1800/1900MHz Band (3G): WCDMA 850/1900/2100MHz MT6580 Quad Core, 1.3GHz 5.0 inch Android 5.1 Smart Phone RAM: 1GB, ROM: 8GB, Front Camera: 5.0MP, Back Camera: 8.0MP Dual SIM Dual Standby, OTG, OTA, Hotknot, Smart Gestures