Mstar-bin-tool

: Some manufacturers encrypt or obfuscate the MstarUpgrade.bin header to prevent tampering.

cpio -idmv < rootfs.cpio # modify find . | cpio -o -H newc > new_rootfs.cpio mstar-bin-tool

extract_keys.py C:/firmware_work/unpacked/MBOOT.img extract_keys.py C:/firmware_work/unpacked/MBOOT.img ./my_keys 0x169e00 0x450 : Some manufacturers encrypt or obfuscate the MstarUpgrade

A text-based or binary-encoded U-Boot script that executes sequence commands (e.g., initialized MMC storage, format partitions, write bytes). initialized MMC storage