Samsung J337V - Security Update; Install Unknown Apps

3. The following options are available:
l Find My Device: Download the app from
Google Play.
l Web: Access Find My Device on the Internet.
l Google: Search for “find my device” topics
online.
Security update
Check the date of the last security software update.
1. From a Home screen, swipe up to access Apps.
2.
Tap Settings > Security > Security update to
see if the latest security update is installed.
Install unknown apps
Allow selected apps to install unknown third-party
apps.
1. From a Home screen, swipe up to access Apps.
2.
Tap Settings > Security > Install unknown
apps.
3. Tap an app.
4. Tap Allow from this source to enable apps to be
installed using this app.
Lock screen and security 153