MStar frequently uses LZ4 or LZO compression with a non-standard superblock. The unpack tool patches the superblock on-the-fly, allowing standard unsquashfs to work, then reverses the patch during repack.
For further community support and advanced GUI versions of these tools (like MstarBinTool-GUI), check active forums such as KenotronTV Are you working on a specific device model or trying to bypass a secure boot restriction? qdvbp/mstar-tools - GitHub Dump Mstar Unpack Repack Tool
It extracts individual partitions (e.g., boot.img , system.img , recovery.img ) from a single large firmware dump. MStar frequently uses LZ4 or LZO compression with