Mark message as already read from iPhone lock screen Most messages(SMS) can be known to be useless from iPhone lock screen, then you need to unlock screen->go to message->(possibly go out of another conversation)->go into that conversation or mark it as already use->go back to all messages.

How to mark the useless message as already read on the lock screen?
It is possible to do this.

When receiving a message, swipe left on the notification, you will be presented with the screen below:



Then click view, this will open the message on the lock screen. Then click anywhere on the screen to close the box. This marks the message as read.