Settings122MemoryOn the Settings screen, tap Device maintenance → Memory.To speed up your device by reducing the amount of memory you are using, tick apps fromthe apps list, and tap CLEAN NOW.Device securityCheck the device’s security status. This feature scans your device for malware.On the Settings screen, tap Device maintenance → Device security → SCAN PHONE.AppsManage the device’s apps and change their settings. You can view the apps’ usageinformation, change their notification or permission settings, or uninstall or disableunnecessary apps.On the Settings screen, tap Apps.Lock screen and securityOptionsChange 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.• Fingerprint Scanner: Register your fingerprint to the device to secure the device or signin to your Samsung account. Refer to Fingerprint recognition for more information.This feature may not be available depending on the region or service provider.