Samsung Galaxy Tab 4 8.0 (AT&T), White (Certified Refurbished) This Certified Refurbished product is tested & certified by Samsung to look and work like new. The product includes accessories, and is backed by a 90 Day Samsung warranty. Samsung Galaxy Tab 4 8.0 Wi-Fi + 4G LTE - 16GB (AT&T) 1.2 GHz Quad-Core Processor - 1.5GB RAM - 16GB Flash Storage 8" Plane to Line Switching (PLS) Display (1280 x 800) Android 4.4 KitKat OS