HTC Desire 816d 5.5 inch Android 4.4 Quad Core 1.6GHz 13.0 MP Unlocked 3G GSM Smartphone Color Grey GENERAL 2G Network GSM 850/900/1800/1900MHz; 3G Network CDMA EVDO 800/1900MHz Dual Sim Card Nano Sim Card Memory Card slot microSD, up to 128 GB Internal 8 GB, 1.5GB RAM FEATURES OS Android OS, v4.4 Quad-core 1.6 GHz ,Messaging SMS, MMS, Email, Push Email Browser HTML5 Double Camera, Front Camera 5.0MP, Back Camera 13.0MP, Support 1080p video Ultra Slim, 7.99mm, DISPLAY Type Super LCD 2 apacitive touchscreen, HD720, 1280 X 720pixels, 5.5 inches Multitouch Yes