This CUBOT GT90 smartphone with 4.0 inch WVGA 480 *800 capacitive touch screen is based on Android 4.2 operating system and MTK6572W Cortex A7 Dual Core 1.3GHz CPU, stable and high performance. 512MB RAM, 4GB ROM, and support external TF Card / Micro SD card up& to 32GB. It supports 802.11 b/g/n WiFi, Bluetooth 2.0, GPS, G-Sensor, multi-language, etc. Buy this CUBOT GT90 Android 4.2 3G WCDMA Smartphone 4" MTK6572W Cortex A7 Dual Core Dual Camera 512MB RAM+4GB ROM Bluetooth GPS Wifi Now $92.99.