How to enable preview message on my Apple iPhone 7 Plus

Click each step to see the action. You can also click the picture or use the arrow keys.

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Preview message allows you to get a quick look at a message without having to open the app.
1. Touch Settings.
2. Touch Notifications.
3. Touch Messages.
4. Scroll to and touch Show Previews.
5. Preview message has been enabled.
Touch Show Previews again to disable preview message.