iRULU eXpro X1 Plus 10.1" Quad Core Android 5.1 Lollipop Tablet PC, 1GB RAM, 16GB Nand Flash, 1024x600 Resolution, Bluetooth 4.0, WiFi with keyboard 10.1" multi-touch screen; GMS Tested & Certified(This black tablet comes with a black keyboard case) Quad Core Processor 1.3GHZ, with Google Android 5.1 Lollipop Operating System Dual Cameras: Front 0.3 MP and Rear 2.0 MP; 1024 by 600 resolution 16 GB capacity, extendable to 32 GB with Micro SD card 5500mAh Battery, the endurance is more than 5 hours. Troubleshooting: please make sure there is power( please charge this tablet for more than 7 hours at the first two charging after the remain power ran out),if tablet still can't working,please do a factory reset or upgrading the tablet.For the upgrade guides,Please check the our offical website.