How to turn off notification previews for any app on iPhone with iOS 11
In this tutorial you are going to learn How to turn off notification previews for any app on iPhone with iOS 11. Sometimes you want to receive the notification, but don’t want others to see the content. If you turn off Notification Previews, you will still be notified but without the content. This way you can choose when to open the actual notification and see the content.
Go to Settings - Notifications and choose the preferred app. At the bottom, tap on Show Previews. Choose When Unlocked or Never.
