Samsung Galaxy Tab 4 10.1-Inch SM-T537 16GB WiFi 4G GSM Quad-Core - Black (Certified Refurbished) This Certified Refurbished product is manufacturer refurbished, shows limited or no wear, and includes all original accessories plus a 90 day warranty. 10.1-inch TFT Capacitive Multi-Touchscreen w/ TouchWiz UX UI Android v4.4.2 (KitKat), Quad-core 1.2 GHz Processor, Chipset: Qualcomm Snapdragon 400 3.2 Megapixel Camera (2048 x 1536 pixels) w/ Geo-tagging + Front-Facing 1.3 Megapixel Camera + Video 720p@30fps Internal Memory: 16GB storage, 1.5GB RAM + microSD Slot Expandable up to 64GB 2G: GSM 850 / 900 / 1800 / 1900, 3G: GSM 850 / 900 / 1800 / 1900, 4G: 800 / 850 / 900 / 1800 / 2100 2600 (Bands 1, 3, 5, 7, 8, 20)