StarTrack SRT-550 HD Platinum receiver firmware, version V4101 dated 20170930, stored in a 2.80 MB RAR. It is newer than the V3758 build from July 2017. Use it to update the software or repair boot loops and menu faults, by USB upgrade or a serial loader. Open it with WinRAR or 7-Zip and check any included instructions. Make sure the unit is the SRT-550 HD Platinum with matching hardware, and keep a backup of the current firmware in case the new version must be rolled back.
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 .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.