X-shop 5.5-inch Unlocked White Lenovo A850 3g Smartphone-(960x540) Quad Core 4gb Mt6582m 1331mhz Android 4.2 Dual Camera +Dual SIM (Rooted + Google Play) 5.5inch IPS capacitive screen,960x540 pixels MTK6582m cortex A7 Quad-Cor, 1.3GHz 1GB RAM +4GB ROM 5.0MP back camera and 0.3MP front camera,with flash light and auto focus Android4.2 OS,Dual SIM Card Standby 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.