Messenger's Android notifications can be even more irksome— with chat heads taking over your phone every time someone pings you. These too can be disabled through a similar process. Go into your device's main settings menu, from there scroll down to the apps menu, select Messenger and uncheck the "show notifications" box. Goto Settings Menu - > Applications Manager then Select the Facebook messenger app, There you will have the option to Uncheck the -> Notifications. View attachment 2238 This disables push notifications but doesn't get rid of the chat heads, which must be turned off from within the app. Open Messenger's settings menu, select "Notifications" -> "Chat Heads" -> "Off".