Samsung Galaxy S5 Active G870A 16GB AT&T Unlocked GSM 4G LTE Quad-Core Phone w/ 16MP Camera - Camo Green (Certified Refurbished) 5.1-inch Super AMOLED Capacitive Touchscreen, 1080 x 1920 pixels (~432ppi pixel density) + Corning Gorilla Glass 3 Android OS 16 Megapixel Camera with f/2.2, 31mm, autofocus, LED flash, Geo-tagging, touch focus, face/smile detection, panorama, HDR + 2 Megapixel Front Camera with f/2.4, 22mm, 1080p@30fps; Video Capture: 2160p@30fps, 1080p@30fps Internal Memory: 16GB, 2GB RAM - microSD Up to 256GB WLAN: Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot; Bluetooth: v4.0, A2DP, EDR, LE, aptX; GPS: Yes, with A-GPS, GLONASS; NFC: Yes; USB: microUSB v2.0, USB Host