This firmware is typically hosted on technician forums and hobbyist sites rather than official manufacturer pages.
: Do not power off the TV during this process. It usually takes 1-2 minutes. Once finished, the TV should reboot into the new software. Download CV338H A50 1366x768 SamsungIR part1 rar
: Distributed as a split .rar archive (indicated by "part1"). You will need all parts (e.g., part1, part2) in the same folder to extract the final firmware file. Where to Find the Download This firmware is typically hosted on technician forums