A BIOS / firmware dump. Shared as “GL TP.RR85019.816A GL-LD32F3 HDR”, 4.00 MB.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @led_software. Enginerys does not host this file.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →