Large firmware archive for car audio units, around 1.89 GB, with no brand, model or board number given in the name. It is likely a collection of images for various head units, so contents must be reviewed before use. Match each file to the exact unit, board and memory chip before flashing. Read and save the existing firmware with a suitable programmer first, and confirm the image size equals the chip capacity, since a wrong file can leave the radio dead.
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 @tvcodeservice. Enginerys does not host this file.
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →