BlackBerry Priv 32GB AT&T Branded 4G LTE Slider Smartphone with Android Operating System, Black (Certified Refurbished) 2G: GSM 850 / 900 / 1800 / 1900, HSDPA 850 / 900 / 1900 / 2100, 4G: LTE 2100(B1) / 1900(B2) / 1800(B3) / 1700(B4) / 2100(B4) / 850(B5) / 2600(B7) / 700(B12) / 700(B17) / 800(B20) / 700(B9) / 2300(30) Classic Physical QWERTY keyboard, Optical trackpad and 5.4-inch AMOLED Touchscreen 18 Megapixel Camera (Schneider-Kreuznach optics) w/ Optical image stabilization, Autofocus, dual-LED (dual tone) flash + Front-facing 2 Megapixel Camera Dual-core 1.8 GHz Cortex-A57 & quad-core 1.44 GHz Cortex-A53 Processor, Chipset: Qualcomm MSM8992 Snapdragon 808, Adreno 418 Graphics Android v5.1.1 (Lollipop), Internal Memory: 32GB, 3GB RAM + microSD Slot Expandable up to 200GB