You can contact first. In addition, you can brush the machine yourself. Official website has a firmware package. If you need to upgrade the firmware, you can go to our official website 5 1cube.com to find the top technical support column-product firmware area. After entering, you can find the corresponding machine model to download the firmware package. If you can't find the firmware in the product firmware, you can click the previous machine firmware download on the left. After downloading, you can use the tutorial to extract the firmware package.
Thank you for your support of the Coolby Cube! Wish you a happy life!