When there's a security patch that provides security fixes or enhancements available for download, you'll receive a security update notification. You can easily install the update from the notification.
You can also manually check for security updates in Settings.
Home screen, tap
Do the following:
Note: Just like security updates,
Google Play system updates also provide important security and privacy fixes or enhancements. You may be able to get these updates faster sine they are sent directly to your phone from
Google Play, just like app updates.