: Extract the tool to a folder (e.g., C:/mstar-bin-tool/ ) and place your firmware (e.g., CtvUpgrade.bin ) in a working folder like C:/work/ .

Notable Beta-3 specific items to check (recommended)

to obtain the necessary AES/RSA keys for encrypted segments. Decryption : Manually decrypt recovery.img using the extracted keys and external tools like Re-assembly with a customized config.ini