: Copy the firmware file directly to the root directory of the USB drive (do not put it in a folder). Flash Firmware : Power off the TV and unplug it. Insert the USB drive into the USB port. Press and hold the Power button on the TV panel.
: Sites like LEDTVSOFTWARES.COM frequently list this specific board-panel combination, though direct links may require registration or vary in availability. Installation Steps via USB : Copy the firmware file directly to the
: Combine all .rar parts and extract the binary file (usually named CtvUpgrade.bin or allupgrade_338_4G_1G.bin ). Press and hold the Power button on the TV panel
: Format a USB flash drive (8GB or smaller is recommended) to FAT32 . : Format a USB flash drive (8GB or
Firmware for these boards is typically hosted on specialized community forums and file-sharing groups. Note that because your file ends in part04.rar , you (part01, part02, etc.) for the extraction to work correctly.
