Cubot S208 Unlocked 5.0 Inch Android 4.2 3g Smart Phone Mtk6582m 1.3ghz 1gb RAM 16gb ROM Hd IPS Capacitive Touchscreen 960x540 Pixels 5.0mp Front Camera 8.0mp Rear Camera GPS Wifi Bluetooth Ebook Dual SIM Card Dual Standy (All Black) BLACK 4.2 3G Smart Phone Unlocked cell phones are compatible with GSM carriers like AT&T and T-Mobile as well as with GSM SIM cards (e.g. H20, Straight Talk, and select prepaid carriers). Unlocked cell phones will not work with CDMA Carriers like Sprint, Verizon, Boost or Virgin.