Download RKBatchtool V1.7 from our resources Follow these steps: Shut down your tablet. Remove any microSD cards. Make sure the tablet’s not plugged into your PC. Press and hold the volume+ button and power buttons on the tablet while plugging the tablet into a PC with a USB cable. Do not lift your fingers from those buttons until your computer detects new hardware. If prompted to install a driver, navigate to the Rockchip Batch Tool folder and look in the RockusbDriver folder for the appropriate driver for your PC. If you’re not prompted, you may need to go into the Device Manager, look for an unknown device, and install the driver manually by using the “have disk” option. Once the driver’s installed properly, you can run the RKBatchTool.exe program. You’ll know everything’s working properly if the box marked “1″ under “Connected Devices” is green. Click the … icon next to FW Path to find the appropriate .img file. Click the “upgrade” button. After that, the program should send data to your tablet and a few minutes later it will reboot into Android.