MStar often provides a GUI tool called MUpgrade.exe (or simply MStarUpgrade.exe ).
: If the partitions are encrypted, use aescrypt2 with the appropriate keys. Keys can often be extracted from the MBOOT.img using extract_keys.py . mstar android tv firmware tools repack
Essential for secure firmware, as it extracts AES and RSA keys from the MBOOT binary needed for decryption and encryption. MStar Android TV Firmware Tools — Repack Guide