Learn how to use device administrator on your Samsung Galaxy S4 Active. The Device Administration feature allows you to select one or more administration applications that control your device for security purposes (for example, if your phone is lost of stolen). These applications enforce remote or local device security policies. Some of the features a device administration application might control are:
- 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.
Note: If a device uses multiple enabled administration applications, the strictest policy is enforced.
- From the Home screen, tap Apps icon > Settings > More > Security.
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Tap Device administrators.
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Select a device administrator and follow the prompts. If no device administrators are listed, you can download them from the Play Store.
Make passwords visible
When enabled, password characters display briefly as you touch them while entering passwords.
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From the Home screen, tap Apps icon > Settings > More > Security.
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Tap Make passwords visible to create a checkmark and enable or disable the display of password characters.
Unknown Source
This feature allows you to download and install non-Market applications.
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From the Home screen, tap Apps icon > Settings > More > Security.
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Tap Unknown sources. A check mark is displayed to indicate it is active.
Note: Enabling this option causes your phone and personal data to be more vulnerable to attack by applications from unknown sources.
Verify App
This feature allows you to either block or warn you before installing apps that may cause harm to your phone.
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From the Home screen, tap Apps icon > Settings > More > Security.
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Tap Verify apps. A check mark is displayed to indicate it is active.
