ZTE Open C Latest Kitkat DUAL OS Firefox OS 1.3 + Qualcomm Dual Core Android 4.4 4 Inch 3G 1.2GHz GPS 4GB ROM 512 RAM 2.0MP Camera Unlocked Smartphone Black BY Wmicro Model: ZTE OPEN C Band 2G: GSM 850/900/1800/1900MHz 3G: UMTS 850/1900MHz SIM Card: Single SIM Card Service Provide: Unlocked