How to disable “Reply with Message” on lock screen in iOS 10

One new notification feature in iOS 10 is the ability to reply to messages directly on the lock screen without a passcode or Touch ID authentication. This default settings may not be desirable to you due to privacy concern. 

How to disable Reply with Message on lock screen in iOS 10

To disable, go to Settings > Touch ID & Passcode. Scroll down to “Allow Access When Locked” section and locate the switch “Reply with Message” and tap to turn it off. You will no longer be able to reply to a message on the lock screen without a passcode or Touch ID.