Dell Venue Pro 16GB AT&T Locked Windows 7 OS Cell Phone - Black 2G: GSM 850 / 900 / 1800 / 1900, 3G: HSDPA 900 / 1700 / 2100 4.1-inch AMOLED Capacitive Multi-Touchscreen w/ Protective Corning Gorilla Glass Microsoft Windows Phone 7 OS, 1 GHz Scorpion Processor, Chipset: Qualcomm QSD825 Snapdragon, Adreno 200 Graphics 8 Megapixel Camera (3264 x 2448 pixels) w/ Autofocus, LED Flash + Video Internal Memory: 16GB storage, 512 MB RAM, 1GB ROM + microSD Slot Expandable up to 32GB (not user accessible)