There are so many features of Facebook mobile that you or anyone else is yet to discover. In this post, we will sho you how to adjust your mobile app push notifications from Facebook for both iOS and Android platform.
Mobile push notifications are updates that appear when you're not actively using Facebook. You can adjust these notifications from your Android, iPhone or iPad settings:
iOS
To adjust your mobile push notifications on your iPhone or iPad:
Tap
Tap Notifications > Facebook
Tap
Allow Notifications to turn on notifications from Facebook. Tap 
Allow Notifications to turn off notifications from Facebook.
Tap
Tap Notifications > Facebook
Tap
Allow Notifications to turn on notifications from Facebook. Tap Allow Notifications to turn off notifications from Facebook.Android
To adjust your mobile push notifications on your Android device (OS 6.0+):Go to your device settings.
Tap Applications > Application manager > Facebook > Notifications.
Turn on or off notifications from Facebook.
To adjust your mobile push notifications in your Facebook settings:
Tap
Tap Notification Settings
From here, tap to adjust how you get notifications and what you get notified about