RAR archive with Plus-variant firmware for the STAR-X 31000, version V1.09.13175, dated 3 November 2014. The same build number appears on several other Star-X Plus packages, so it looks like one shared software release covering different models. The file is 3.13 MB and is meant for updating or reviving the receiver. Extract it and check that the image is labelled for the 31000 Plus. Back up the current software and keep power stable while flashing, because an interrupted write can brick the unit.
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 @tamirkaran_chanel. 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 →