| Error Message | Probable Cause | Solution | | :--- | :--- | :--- | | Magic header not found | Dump started at wrong offset or chip is read in 4-bit mode. | Use dd skip=1024 or re-dump using 1MHz SPI speed. | | Partition overlap | The dump is corrupted or is a merge of two chips. | Separate NAND and NOR dumps. The tool expects a single linear dump. | | CRC mismatch after repack | The repacker failed to update the footer. | Use the --force-crc flag (exclusive flag). | | Kernel panic after flash | You corrupted the kernel or initrd. | Do not modify kernel. Only modify rootfs . | | Tool reports "Not an MStar image" | You have a Realtek, Novatek, or Hisilicon chip. | Wrong tool. MStar exclusive only works for MTK/MStar. |
: Recompiles modified partitions back into a single flashable extract_keys.py : Retrieves essential AES and RSA public keys from the
Reviewers often warn that it is not a "one-click" solution for beginners. It typically requires a working knowledge of Python and command-line operations to execute scripts like unpack.py or pack.py successfully. ⚠️ Technical Requirements
If you’re an , security researcher , or working on legitimate firmware analysis (e.g., under an NDA or for vulnerability disclosure), I recommend:
: Reassembles modified or original partition images back into a single flashable file using a configuration file ( config.ini ) that defines the firmware structure. extract_keys.py
As of 2025, MediaTek has discontinued many MStar lines in favor of the and MT9615 series. These new SoCs use secure boot 2.0 and encrypted FIP (Firmware Image Package).




