The tool must find a header.bin or automatically re-calculate offsets. You must ensure that the new firmware does not exceed the original partition sizes. If your modified rootfs is larger, you will need to repartition the NAND—a much more dangerous operation.
Or, if it’s a UBI image:
The mstar-bin-tool-master repository, primarily written in Python, serves two core functions: unpacking and packing. 1. Unpacking Firmware ( unpacker.py ) mstar-bin-tool-master
. It is commonly used by developers and enthusiasts to modify Smart TV software, extract system partitions, or port Android firmwares. Core Functionality The tool must find a header
: Never overwrite your only copy of a working stock vendor file. Or, if it’s a UBI image: The mstar-bin-tool-master
To help tailor this guide further, tell me about your specific project goals. If you want, let me know: The or chipset of your device