This firmware is often a "dump" file meant for a programmer (like the RT809F/H) rather than a USB update.
Specialized sites like Kazmi Elecom often provide firmware for VST59S series boards with various screen resolutions. Important Precautions
Can you confirm the printed on the circuit board inside your TV? generic china led tv tp.vst59s.pb813 sch - Elektrotanya
Some technicians share links to firmware archives in the descriptions of repair videos on YouTube .
Ensure the firmware matches your panel resolution (e.g., HD 1366x768 or Full HD 1920x1080) to avoid a blank screen after flashing.
Direct official downloads for this model are not typically provided by the manufacturer. Instead, technical communities often host these "dump" or "flash" files (typically in .bin or .rar format). Potential Resources for Firmware
Before downloading, open your TV and verify the mainboard model number (e.g., TP.VST59S.PB813).