Samsung SM-J400F - Apps; Lock Screen

Settings
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Memory
On the Settings screen, tap Device maintenance
→
Memory .
To speed up your device by reducing the amount of memory you are using, tick apps from
the apps list, and tap
CLEAN NOW .
Device security
Check the device’s security status. This feature scans your device for malware.
On the Settings screen, tap
Device maintenance
→
Device security
→
SCAN PHONE .
Apps
Manage the device’s apps and change their settings. You can view the apps’ usage
information, change their notification or permission settings, or uninstall or disable
unnecessary apps.
On the Settings screen, tap
Apps .
Lock screen
Change settings for the locked screen.
On the Settings screen, tap
Lock screen .
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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Smart Lock : Set the device to automatically unlock itself in certain situations.
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Secure lock settings : Change screen lock settings for the selected lock method.
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Clock style : Change the clock type and colour on the locked screen.
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Roaming clock : Set the device to show the dual clock when you are roaming.
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FaceWidgets : Change settings for the items displayed on the locked screen.
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Contact information : Enter your information that is shown with the clock.
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Notifications : Set whether or not to show notification content on the locked screen and
select which notifications to display.
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App shortcuts : Select apps to display shortcuts to them on the locked screen.