Manufacturers use a proprietary header and packing scheme to combine multiple distinct components into a single update file. These components typically include: a bootloader (U-Boot), a kernel (Linux or RTOS), a root filesystem (SquashFS, JFFS2, or CRAMFS), and manufacturer-specific calibration data (e.g., for display panels or tuners). Without a tool like mstar-bin-tool , the file appears as an opaque block of binary data, offering no insight into its contents or structure.
using USB or serial method.
Removing bloatware or changing default settings in Smart TV OS. System Recovery: mstar-bin-tool