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your face.
Do not recognize face when eyes are closed: If this
option is enabled, you cannot use face recognition to
unlock the phone when you close your eyes.
Screen brightness compensation: If this option is
enabled, the phone will increase screen brightness
automatically in a dim light to help verify your face.
Delete facial data: Delete your recorded face data.
Security settings: Change the security level to high or
normal. The high security level is set by default.