Place the extracted .bin or .img file into the root directory of the USB drive (do not put it in a folder). Initiate Update: Unplug the TV from power. Insert the USB drive into the TV's USB port.
Format a USB flash drive (8GB or less is recommended) to FAT32 . Download CV338H A42 1366x768 SamsungIR part3 rar
Press and hold the on the TV panel (not the remote). Place the extracted
If you have the full extracted firmware, follow these steps to update your board: Format a USB flash drive (8GB or less
If the picture appears upside down after flashing, you may need to enter the Service Menu (usually Source/Input + 2580 or Menu + 1147 ) and toggle the "Mirror" or "Flip" setting.
Firmware files for these boards are often large (over 300MB) and are split into multiple parts (part1, part2, part3) by technicians on repair forums like Televid-Sib to meet upload limits.