Apple iPad Mini Retina Display 32GB Unlocked GSM 4G LTE Tablet - Space Gray 2G: GSM 850 / 900 / 1800 / 1900 (SIM 1 & SIM 2) 3G: HSDPA 850 / 900 / 1900 / 2100, 4G: LTE Bands 1, 2, 3, 4, 5, 7, 8, 13, 17, 18, 19, 20, 25, 26 7.9-inch LED-backlit IPS LCD Multi-Touchscreen w/ Oleophobic Coating iOS 7 (upgradable), Dual-Core 1.3 GHz Cyclone (ARM v8-based) Processor, Chipset: Apple A7, PowerVR G6430 (Quad-Core Graphics) Graphics 5 Megapixel Camera (2592 ? 1944 pixels) w/ Autofocus + Front-Facing 1.2 Megapixel Camera (FaceTime over Wi-Fi or Cellular) Internal Memory: 16GB, 1GB RAM DDR3 (not expandable)