Apps; Device Security; Lock Screen And Security - Samsung SM-J330F User Manual

Settings
Memory
On the Settings screen, tap Device maintenance
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

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 and security

Options
Change the settings for securing the device and the SIM or USIM card.
On the Settings screen, tap Lock screen and security.
The available options may vary depending on the screen lock method selected.
•
Screen lock type: Change the screen lock method.
•
Smart Lock: Set the device to automatically unlock itself in certain situations.
•
Secure lock settings: Change screen lock settings for the selected lock method.
•
Information and FaceWidgets: Change the settings of the items displayed on the screen
when it is off or locked.
•
Notifications: Set whether or not to show notification content on the locked screen and
select which notifications to display.
Memory.
Device security
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SCAN PHONE.