Whenever you receive a notification, it is displayed with a preview, even when your iPhone or iPad screen it turned off. This is surely useful as you won't have to unlock your device every time you receive a notification. But when you are not around your device, anyone can see what you are up to from the notifications.
This is a serious threat to your privacy, especially if you are married! Well, there's a way to turn off this notification from your Lock Screen in iOS 10. It is pretty simple and easy with just a few taps here and there. Check the guide below for complete details.
How to Disable Text Message and Email Notification Preview on LockScreen in iOS 10 on iPhone and iPad
Step #1. Tap on Settings on your iPhone/iPad.
Step #2. Now tap on Notifications, followed by Messages.
Step #3. Simply toggle OFF “Show Previews”.
Step #4. After you are done, tap on “Notifications” located at the top-left corner of the screen to go back to notification settings.
Step #5. It's time to disable preview of emails on Lock Screen. So tap on “Mail”, followed by tapping the email account you have set on your iPhone or iPad.
Step #6. Now again toggle OFF “Show Previews”.
That's it; you will no longer see a preview of text or an email on your Lock Screen. Wasn't that simple?