If you want a new WhatsApp message now appears on the display on your Samsung Galaxy S4 without you having to go to the WhatsApp application, we want to show you here is where you will find the right setting. To do this open the first thing on your Samsung Galaxy S4, the app WhatsApp.
If you are in WhatsApp in the overview of your conversation, press once on the Options button, which is located to the left of the home button. This will now open a small menu where you now have to select "Settings". In the settings menu go to "Notifications". In the next menu, scroll a bit far down until you can see the option "pop-up notifications." Now type this entry and select the next window "pop-ups always display" to now each time a new WhatsApp message on your Samsung Galaxy S4 is received to receive direct notification on the screen.
Perform this setting for "Group notifications" by so also there to see new incoming messages as a popup on the screen of your Samsung Galaxy S4.
You now know how to turn on a Samsung Galaxy S4 in the app WhatsApp setting so that new messages are displayed directly as a popup on the screen.