Firmware package for the SR-4070HD satellite receiver, version 2.48 built on 11 January 2019, supplied as a 2.79 MB ZIP archive. The SR prefix is commonly used by Starsat models, but the name does not state a brand, so check the label on your unit. Updates of this kind are normally installed from USB through the system menu, while a programmer helps revive a box that will not boot. Make sure the hardware matches the model exactly and save the original firmware before updating.
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.
Built-in OS tools7-Zip