Microsoft LUMIA 640 LTE - 8GB - Black (Unlocked) Windows Smartphone 4G Mobile
NetworkTechnology GSM / HSPA / LTE. PlatformOS Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10. Internal 8GB 1GB RAM. BatteryType Li-Ion 2500 mAh, removable. USB microUSB 2.0. Radio FM radio.