Whenever you receive on your Samsung Galaxy S4 with Android Lollipop a message, it is displayed in a pop-up on the display. These so-called Pop-Up Notifications are a new feature in Android Lollipop and inform you about new messages.
If this pop-up alert disturbs you on the Samsung Galaxy S4, then we would like to explain how you can disable these notifications in Android lollipop.
Open from the home screen of the Samsung Galaxy S4 the menu and then the "Messages" app. If you are in the overview, then tap once on the options button (left soft key). It now appears a small menu where you now can select "Settings".
Now tap in the next sub-menu on "Notifications". Then you will see different notification options for your Samsung Galaxy S4. One of them is: "pop-up display".
Remove the check mark in the check box to disable the pop-up notification for new SMS messages on the Samsung Galaxy S4. Finished! If you now receive a SMS message on your Samsung Galaxy S4 the pop up message will not appear at the display.
You know now how to turn off the pop-up notification on your Samsung Galaxy S4 in Android lollipop.