Apple iPhone 4S 16 GB Factory Unlocked 3.5-inch LED-backlit IPS LCD Capacitive Touchscreen, 640 x 960 pixel resolution (~330ppi pixel density) + Corning Gorilla Glass w/ Oleophobic Coating iOS 5, Chipset: Apple A5, Processor: Dual-Core 1.0 GHz Cortex-A9, GPU: PowerVR SGX543MP2 8 Megapixel Camera f/2.4, 35mm, Autofocus, LED Flash, 1/3.2" Sensor Size, 1.4 m pixel size, geo-tagging, touch focus, face detection, panorama, HDR photo + VGA Standard Camera with 480p @ 30fps, videocalling over Wi-Fi and 3G; Video Capture: 1080p @ 30fps Internal Memory: 16GB, 512GB RAM WLAN: Wi-Fi 802.11 b/g/n, hotspot; Bluetooth: v4.0, A2DP, LE; GPS: Yes, with A-GPS, GLONASS; Radio: No; USB: microUSB v2.0