The objective of this operation is to decompose the binary into its constituent parts: the Bootstrap, the Kernel, and the Root Filesystem (RootFS).
For general analysis, some users recommend Binwalk , a tool that scans binary files for known file signatures and headers .
MStar firmware files (commonly with a .bin extension) are not simple single binaries. They are composite images containing:
When you unpack a system.img from an MStar bin, the file permissions (UID/GID) are often lost if you are working on a Windows filesystem. It is highly recommended to move the extracted images to a Linux environment (like Ubuntu or WSL) if you plan on rebuilding the firmware. Beta 3 Limitations
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