See Facebook Notifications in the Settings
To receive notifications from any app, you need to enable them in Settings. They are usually enabled by default, but sometimes while settings are being changed, they are changed. To fix it, open Settings on your iPhone or iPad and go to Facebook. Tap Notifications. Check the following things:
Now, in order to access the updated version of the Facebook app, all you need to do is go to your Google Play Store or App Store and then search for the Facebook app. Then tap on it and you can see if you need to update the Facebook app on your Android device. And if so, just go ahead and tap the Update button for it to start updating your outdated Facebook app.
Facebook notifications not working on Android
Although in decline in recent years, Facebook, with Instagram and WhatsApp, remains the champion of the social media market. And one of the most important things about social media apps is pushing notifications. It seems that Facebook notifications are not working for some Android users. We made sure to explain how to tackle this problem head-on. There are several reasons why you are not receiving notifications from Facebook, but the first thing you should do is check your notification settings in the app and in the system. Check Facebook permissions and make sure Facebook can work in the background.