Supports up to 1920x1080, but requires specific firmware for 1366x768 panels to avoid display distortion.
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" Download CV338H A42 1366x768 SamsungIR part3 rar
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. Supports up to 1920x1080, but requires specific firmware
The standby light should begin flashing rapidly, indicating the update is in progress. Do not turn off the power during this time. Initiate Update: Unplug the TV from power
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.
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.