LG G4 User Manual page 73

Encrypt phone – Opens a screen that encrypts data on the phone for security. You
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will be required to enter a PIN or password to decrypt your phone each time you
power it on.
Encrypt SD card storage – Allows you to encrypt the SD card and keep data
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unavailable for other devices.
Set up SIM card lock – Allows you to require a PIN to use the phone.
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Password typing visible – Enable to briefly show each character of passwords as
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you enter them so that you can see what you enter.
Phone administrators – Allows you to view or deactivate phone administrators.
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Unknown sources – Allows you to install non-Play store applications.
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Verify apps – Disallow or warn before installation of apps that may cause harm.
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Storage type – Displays the storage type for credentials.
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Certificate management
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- Trusted credentials – Enable to allow applications to access your phone's
encrypted store of secure certificates and related passwords and other
credentials. You use credential storage to establish some types of VPN and Wi-Fi
connections. If you have not set a password for the secure credential storage,
this setting is dimmed.
- Install from storage – Tap to install a secure certificate.
- Clear credentials – Deletes all secure certificates and related credentials and
erases the secure storage's own password.
Trust agents – Select apps to use without unlocking the screen.
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Screen pin – This feature allows you to lock your device so that the current user
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can only access the pinned app. This is useful for users with children.
App usage access – Allows you to view usage information of applications on your
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phone.
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Settings