Nokia Lumia 822 16GB Unlocked GSM 4G LTE Windows 8 Smartphone w/ 8MP Camera, Gray (Certified Refurbished) 2G: CDMA 800 / 1900 + GSM 850 / 900 / 1800 / 1900, 3G: CDMA2000 1xEV-DO + HSDPA 850 / 900 / 1900 / 2100, 4G: LTE 700 MHz Class 13 4.3-inch AMOLED Capacitive Multi-Touchscreen w/ Protective Corning Gorilla Glass 2 Microsoft Windows Phone 8, upgradeable to WP8 Amber, Dual-Core 1.5 GHz Krait Processor, Chipset: Qualcomm MSM896 Snapdragon, Adreno 225 Graphics 8 Megapixel Camera (3264 x 2448 pixels) w/ Carl Zeiss Tessar Lens, Autofocus, Dual-LED, & Flash + Front-Facing 1.2 Megapixel Camera Internal Memory: 16GB, 1GB RAM + microSD Slot Expandable up to 64GB