If you not seeing your custom notifications / LED notifications after the Android Pie update.
Go to settings and search for Custom Restrictions and you can toggle the blink option.
Mine hasn't updated yet but will def do this if that happens
Hi and Welcome to the 3Community. Stay awhile and have a look around. If you haven't already registered, now is a good time to do so.
Click here to see a guide on getting started.Register now >>