If your TV is not 4K (3840x2160), this specific firmware will result in a distorted image or a black screen.
You can find these files on technical forums like Kenotrontv or specialized repair sites. Download MT5522S PC822 3840x2160 AKTV4636S part03 rar
The file name AKTV4636S part03 rar indicates a . To use it effectively: If your TV is not 4K (3840x2160), this
Use a high-quality USB drive (under 16GB) formatted to FAT32 . Download MT5522S PC822 3840x2160 AKTV4636S part03 rar
