The is a collection of command-line scripts (typically written in Python) used to unpack and repack MStar firmware files , commonly found in Smart TVs and other embedded devices . Core Functionality
You will need to mount the system.img file in a Linux environment or use a Windows img extractor to add or remove APKs.
Rebuilds the unpacked directory back into a valid .bin firmware file that can be flashed via USB. Dump Mstar Unpack Repack Tool
After making changes, repack with:
Region-specific settings and hardware configurations. How to Use the Dump Mstar Tool (General Workflow) The is a collection of command-line scripts (typically
: Allows users to re-assemble modified components back into a flashable file using a configuration file (often extract_keys.py : Crucial for newer builds with SECURE_BOOT enabled. It extracts AES and RSA public keys from the binary to decrypt encrypted partitions like secure_partition.py
Before discussing the tools, we must understand the motivation. Users seek these tools for three primary reasons: Users seek these tools for three primary reasons:
Verify that the file is not encrypted or double-compressed. Check the file structure using a hex editor.
With the partitions extracted, you can now make your desired modifications.
Ensure your firmware script file reflects any changes in file sizes or new partitions you added.