If you are looking for specific hardware replacements, you can find the T.R85.A81 board on sites like AliExpress . T.R85.A81 USB Firmware Software Bios Bin - Lab-One Forum
Typically includes HDMI, VGA, USB, and AV ports. Download R85 A81 1920X1080 rar
Usually distributed as a .rar or .zip containing a .bin file If you are looking for specific hardware replacements,