Firmware dumps are often panel-specific . If you flash a dump from a 32-inch TV onto a 40-inch TV, the image may appear upside down or with distorted colors. Always try to match the VES number (e.g., VES315WNDL) found on the back of the LCD panel.
This site provides the Service Manual and often hosts associated firmware dumps in their forum or database. Firmware dumps are often panel-specific
A highly reliable source for technician-verified dumps, though it requires a basic technical test to register and download. 3. Board Features & Technical Specs Firmware dumps are often panel-specific