: Use a drive formatted to FAT32 . Copy the extracted firmware file directly to the root directory (do not put it inside a folder). Connect and Initiate : Power off the TV and unplug it from the wall. Insert the USB drive into the USB 2.0 port . Plug the TV back in.

: Press and hold the Power button on the TV (not the remote) for 5–10 seconds until the standby LED begins to blink rapidly, indicating the update has started.

The firmware for the mainboard is typically distributed in multiple compressed parts (such as .rar part01 through part08) due to its large size. To successfully update or repair your TV using these files, you must download all parts into a single folder and extract them together to obtain the final .bin or .img firmware file. How to Obtain Official Software

Download the provided files. If they are in multiple parts, ensure you have every part before attempting extraction. Installation Guide (USB Method)