Ensure your repack tool is correctly calculating the header CRC. You may need to manually update the CRC values in your script file. "File Too Large"
This article provides a comprehensive deep dive into the ecosystem of tools required to extract (dump), deconstruct (unpack), modify, and rebuild (repack) Mstar-based firmware. Dump Mstar Unpack Repack Tool
The is an indispensable but fragile set of utilities for working with legacy MStar firmware. Success heavily depends on the exact chipset and firmware version. For modern MediaTek/MStar devices, vendor signing and encryption have made these tools obsolete unless paired with key extraction or bootrom exploits. Ensure your repack tool is correctly calculating the
A single bit error during the repack process can result in a "Boot Loop." Dump Mstar Unpack Repack Tool