Zip package of flash tools for the SR-1515HD receiver, roughly 3.44 MB. It most likely contains the loader utility used to push firmware to the box over a serial or USB connection, possibly with drivers or an image, though the name does not list contents. Such tools are needed to revive receivers that cannot update from their menu. Extract it, check what is included, confirm the model, and keep a backup of the current firmware before reflashing.
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 @tvsoftwareworld. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →