Plug the TV back into the power outlet while continuing to hold the button.
Common panels include T500QVN03 and ST5461D08-1 Understanding the "Part10.rar" File
To successfully extract the firmware, you must download all parts (Part 1 through Part 10).
Place the extracted firmware file (e.g., all_upgrade_v638.bin ) directly into the root directory of the USB drive (not inside any folder). Initiate Update: Power off the TV and unplug it from the wall. Insert the USB drive into the USB 2.0 port on the TV.
Press and hold the on the TV panel (not the remote).
Place all .rar parts in the same folder. Right-click on Part 1 and select "Extract Here" using a tool like WinRAR or 7-Zip . This will automatically combine all segments into a single usable firmware file (usually an .img or .bin file). How to Install the Firmware via USB
Downloading incorrect firmware can permanently damage your TV's mainboard. Ensure your board number matches exactly.
Technicians often find these files on community forums like KenotronTV or specialized YouTube channels like KazmiElecom .