: Limited. Don't expect smooth performance for 4K YouTube or Netflix due to the hardware specs this firmware targets.
: The main drawback is the "part1.rar" naming. This indicates the firmware is split into multiple parts; you must have all parts (part1, part2, etc.) to successfully extract and use the file, or you risk bricking the motherboard. Technical Considerations Download M338 801 1366x768 512M USB part1 rar
: These universal firmwares are appreciated for their Service Menu access, which allows for advanced panel adjustments using codes like Menu + 1147 . : Limited