Always save a backup of your original corrupted dump before flashing the new one. This allows you to revert if the new file is not a perfect match for your panel. CHINA LED TV 32L31F, MSD309B-T9B - KenotronTV
A reliable repository for "China LED" boards like the MSD309B series. How to Use the Dump File
Typically a 42-inch LED panel (e.g., T420HVN01.0). Note: Flashing a dump with the wrong panel data can result in an upside-down image or solarized colors. Where to Find the BIN File