: This specifies the screen resolution the firmware is configured for.

: A major Russian-language repository for TV and electronics repair firmware.

This specific file naming convention ( part04.rar ) typically indicates a split-archive usually found on technical forums or firmware repositories. Understanding the File Components

: This refers to a specific firmware configuration where the image is "mirrored" or flipped, often used when a replacement panel is installed upside down or has a different signal orientation than the original.

: A popular site for universal China-made TV board software.