If you got your box from one of the mainstream hardware providers, such as Sony, Samsung, or Fire TV, if a firmware version update becomes available, you should be notified of this and your box will ask you to
Step 8. After the firmware update has done compiling, you will now simply connect your 3D printer with the computer using a USB connection if your printer has a bootloader. If not, there’s also a way to connect your printer and I’ve talked about it later on in the article....
The display is the default display that comes with the CR-20. From forums it is apparently the same as the one from a CR-10 but not sure. I tried googling around for shops to get a model number for the screen but haven't had any luck. A start would be: https://www.diyelectronic...