Download all parts (Part 1, Part 2, etc.) and extract them using WinRAR or 7-Zip to get the single .bin image file.
Do not power off the TV during the update, as this can permanently damage (brick) the board.
Are you trying to fix a specific issue like a or an unresponsive screen ?
Frequently hosts free firmware for this specific board.
The software is often split into multiple compressed parts (like "part03.rar") due to its size. Where to Download