This specific version is pre-configured for Samsung IR remote codes, which is essential if you are replacing a board in a Samsung chassis or using a Samsung-style remote. Why You Need "Part 3"
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. Download CV338H A42 1366x768 SamsungIR part3 rar
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. This specific version is pre-configured for Samsung IR
If you have the full extracted firmware, follow these steps to update your board: Insert the USB drive into the TV's USB port
Format a USB flash drive (8GB or less is recommended) to FAT32 .
The CV338H-A42 is a popular universal Android TV control board integrated with a power supply and LED driver. It is commonly used to repair or upgrade 32" to 42" LED TVs in the Asia-Pacific and India markets.
If the TV hangs on the "Smart TV" logo, a full eMMC dump (often found in these .rar files) is usually required via a programmer like the RT809H.