Tap an app.
Some devices may require you to tap the app name twice.
Tap 'Notifications' or 'App notifications'.
Do one of the following:
Tap Show notifications to turn on or off
Tap 'On' or 'Off'.
Tap Allow notifications to turn on or off.
Tap Block all to turn on or off.
When turned on, tap any of the available options or switches next to them to turn on or off:
Options below are common ones and vary by app and software version. Other options not listed below may appear.