Use a tool like WinRAR or 7-Zip to extract the .bin file from the .rar archive.
board. You can find their archive through their Facebook post which lists various resolutions. Download T56J11 1600X900 170601 rar
Power on the board. The indicator light (usually red/blue) will blink rapidly, indicating the update is in progress. until the blinking stops. Use a tool like WinRAR or 7-Zip to extract the