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Seal,Unseal,Full Access 三种模式。每次重启都还原为Seal；Seal不是不能修改dataflash吗？为什么连 DSG,CHG 这些也修改不了？ 啥都改不了。请问这种模式主要用途是什么了？我现在是一上电 就设为Unseal ，后面都不管了！
