• To hide all notifications on your lock screen, tap Don't show notifications at all. You
can still peek at your notifications – swipe down on the lock screen, then enter your
pattern, PIN or password if required.
• To hide sensitive content in notifications from all apps, tap Hide sensitive content.
For example, you'll get a lock-screen notification for an incoming email or chat, but it
won't include message details.
• To see all notifications and their content on your lock screen, tap Show all notification
content.
To hide sensitive content from specific apps:
1. Set lock screen notifications for all apps to Show all notification content.
2.
Touch & hold the app icon, then touch > Notifications.
3. Touch the category for ticked notifications, then touch Advanced > On lock screen > Hide
sensitive content.
Other settings : Apps & notifications 157