Connect your TV's mainboard via ISP interface to directly write to the EMMC or SPI flash. Steps:
The if known (e.g., MSD6A648, MSD6A838, TSUM series).
Ensure all your modified partition files (like system.img ) are placed inside your workspace alongside the original unchanged components.
:If sections like boot.img are encrypted, use extract_keys.py to pull the necessary AES and RSA keys from the MBOOT binary.
Place MstarUpgrade.bin directly onto the root of the USB drive. Do not put it in a folder.
: The bootloader, which often contains the decryption keys.
secure_partition.py ./pack/boot.img ./keys/AESbootKey ./keys/RSAboot_priv.txt ./keys/RSAboot_pub.txt ./pack/boot.img.aes ./pack/bootSign
Start by installing and downloading the latest version of mstar-bin-tool-master from its GitHub repository.