Z2 5 Inch Dual SIM Unlocked GSM Octa-Core Android Smartphone Quad Band Android 4.4.2 1GB + 8GB 8MP Camera 5'' inch Multi-touch Capacitive Screen. with 480x854 pixels resolution; Dual SIM: 1 x micro sim, 1 x regular sim. Support 2G & 3G network; Camera: 8MP, With GPS & Wifi & Bluetooth Supports; With Android 4.4.2 system, Quad Core MTK6592 High-Speed Processing Platform; 1GMB RAM + 8GB ROM(including 5.44GB internal storage, 0.98GB phone storage) Note: (Not all space are available for user. Because some space is used and hidden by the OS.)