Samsung sm-t280 - Applications; Lock screen and security

Settings
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Applications
Manage the device’s apps and change their settings.
On the Settings screen, tap
Applications .
•
Application manager : View and manage the apps on your device.
•
Default applications : Select a default setting for using apps.
Wallpaper
Change the wallpaper settings for the Home screen and the locked screen.
On the Settings screen, tap
Wallpaper .
Lock screen and security
Change the settings for securing the device.
On the Settings screen, tap
Lock screen and security .
The available options may vary depending on the screen lock method selected.
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Screen lock type : Change the screen lock method.
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Show information : Change settings for the items displayed on the locked screen.
•
Notifications: Select whether to show app notifications and whether notifications are
shown on the lock screen.
•
Secure lock settings: Set secure lock functions, such as Lock automatically and Lock
instantly with power key.
•
Unlock effect: Select an effect that you see when you unlock the screen.
•
Find My Mobile : Activate or deactivate the Find My Mobile feature. Access the Find my
mobile website (findmymobile.samsung.com) to track and control your lost or stolen
device.
•
Unknown sources : Set the device to allow the installation of apps from unknown
sources.
•
Other security settings : Configure additional security settings.