Security Settings; Device Administration; Encryption - Samsung Galaxy Note 4 User Manual

Format SD card: Permanently remove all content from an optional installed memory
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card. After formatting, the content cannot be retrieved.

Security Settings

Configure options for securing information on your phone.

Device Administration

Some applications, such as Corporate email, may require you allow access to your phone by device
administrators in certain circumstances, such as if your phone is lost or stolen.
Some features a device administrator might control include:
Setting the number of failed password attempts before the device is restored to factory settings.
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Automatically locking the device.
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Restoring factory settings on the device.
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Configure Device Administration Options
1. From a Home screen, tap
2. Tap
Security, and then tap an option:
Device administrators: Tap to view, enable, or disable device administrators.
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S Voice: Allow S Voice to Lock the screen.
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Android Device Manager: When enabled, Android Device Manager can lock or erase
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a lost device.
Unknown sources: Tap the check box to enable or disable your phone's ability to install
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apps from sources other than Google Play Store.
Verify apps: Tap the check box to enable or disable a warning before installing apps that
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may cause harm.
Notification access: View a list of applications that have been granted access to
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notifications (for example, Samsung Gear).

Encryption

You can encrypt accounts, settings, downloaded apps and their data, media, and other files. After
encryption, you must enter the PIN or password you set each time you turn on your phone. You can
also encrypt information stored on an optional installed memory card (not included).
Settings
Apps > Settings.
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