StarSat SR-B10HD Prime receiver firmware, version V2511 with a U03 tag, archived as a 2.77 MB RAR. The U03 suffix probably marks an update or build variant, so compare it with the other V2511 packages before choosing. Technicians use it to reflash receivers with boot faults or a corrupted menu, through the USB upgrade function or a serial loader. Check that the unit is a B10 and not the similar C10 model, because their images are kept separate. Back up the existing flash before writing.
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.