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BQ27541-V200: read the device name after unseal

Part Number: BQ27541-V200

Hello TI team,

    We did an experiment, first to seal (0020), then unseal(0414 3672, FFFF, FFFF), and then load dfi file, it will automatically seal after loading(FAS flag and SS flag is red).The result is that the device name cannot be read.Why is an unsealed product automatically sealed when a dfi file is loaded?