: Copy the extracted .bin file to the root directory of the USB drive. Update : Power off the TV. Insert the USB drive.

: A well-known repository for Chinese mainboard firmware.

: Locate and download every part of the archive (e.g., Part 1 and Part 2). The extraction will fail if any part is missing.

: Right-click on Part 1 and select "Extract Here." WinRAR will automatically pull data from Part 2 to create the final .bin firmware file. Prepare USB : Format a USB flash drive to FAT32 .

These files are typically hosted on specialized technical forums and firmware repositories. Common sources include: