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Security
Settings
Device Administration
Manage your device administrators and application
installation privileges.
1. From a Home screen, tap
Apps
>
Settings
>
More
tab.
2. Tap
Security
for options:
•
Device administrators
: Add or remove device
administrators.
•
Unknown sources
: Enable installation of
non-Google Play applications.
•
Verify apps
: Block or warn before installing
apps that may cause harm.
Warning:
Enabling installation of third-party applications
can cause your device and personal data to be more
vulnerable to attacks by unknown sources.