1. Android Central Question's Avatar
    When I open settings-lock screen.the option for setting knock code is not highlighted and it says disabled by administrator, encryption policy or credential storage...
    09-04-2018 01:06 PM
  2. B. Diddy's Avatar
    Welcome to Android Central! Do you use the phone for work? If so, the security needed for work-related email might prevent using knock code or other similar unlock methods.
    09-05-2018 11:55 AM

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