If you have received a text message on your Samsung Galaxy S5, then you will get a preview of this message on the lock screen. The preview includes the first line of the new SMS message and should give you informations about what the new incoming SMS message is. Maybe it is an useful function, but you can read this message without unlocking the smartphone. This is rather impractical.
Therefore, we now explain how you can deactivate the message preview on the Samsung Galaxy S5. This works very simply as follows:
Open on your Samsung Galaxy S5, the "Message" app and then tap in the overview of your coversations on the top right three-point symbol. In the pull-down menu, choose "Settings". Within this navigate to "notifications". In the section "Message Preview" You will now see the entry "lock screen". Remove the check mark in the check box to deactivate the message preview at the lockscreen of your smartphone.
You now know how to deactivate the message preview on the lockscreen. at the Samsung Galaxy S5.