Facebook App Notifications Not Working Iphone. Once the system is repaired, you can try to launch the facebook app and see if it works now. Check the obvious problem, make sure that the mute switch which is on the side of your iphone and ipad is not on. Try clearing cache data from the facebook app and messenger app.
To force quit an app, on iphone with. Other users have also reported having no sound with facebook notifications.
Open settings app and tap on notifications.
The facebook messenger notification is not working any more, though all of notification settings are turned on in my iphone. On your iphone, go to settings > notifications > whatsapp. Other users have also reported having no sound with facebook notifications. When an app is configured to deliver notifications quietly, notifications from the app will not play a sound and won't appear on your device's lock screen.