... 4.2.1, MTK6589, Cortex-A7 Quad Core, 1.2GHz * 5.0 Inch Capacitive Touch Screen, 1280 x 720 Pixels * 1GB RAM ... 2100MHz * Front camera 3.0MP, Back camera 8.0MP* Dual SIM Card Dual Standby Main Features:Phone ModelStar S5 ButterflyNetwork Band2G: GSM ... 850/900/1800/1900MHz3G: WCDMA 2100MHzSim CardDual SIM Card Dual StandbyService ProvideUnlockedOSAndroid 4.2.1CPUMTK6589, Cortex-A7 Quad Core, 1 ...