Plug the TV back in. On many boards, the update will start automatically; on others, you may need to hold the button on the TV until the indicator light begins to flash.
: Move all downloaded parts into one single folder on your computer. 2. Extract the Firmware
The file refers to firmware for a smart TV mainboard, specifically for 4K (3840x2160) resolution displays used in various 43-inch to 55-inch TV models. Because these files are large, they are often split into multiple parts (like part01.rar , part02.rar , and part03.rar ) for easier downloading from community firmware repositories or unofficial support forums. Guide to Downloading and Extracting LDD H510 Part 03 1. Locate and Download All Parts
: Copy the extracted firmware file directly to the root directory (the main folder) of the USB drive. Do not put it inside any other folders. 4. Install on the TV Turn off the TV and unplug it from the power source. Insert the USB drive into one of the TV's USB ports.