Samsung SM-J530F - Apps; Lock Screen and Security

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 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.
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Screen lock type : Change the screen lock method.
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Fingerprint Scanner : Register your fingerprint to the device to secure the device or sign
in to your Samsung account. Refer to Fingerprint recognition for more information.
This feature may not be available depending on the region or service provider.