This app lets you (sort of) add a notification LED to the OnePlus 8
(Android Police)

Not exactly the AOD solution you had asked for, but it`s still workable Shrinking screen bezels have played a big role in the disappearance of the subtly breathing notification LED from our modern phones. An always-on display is a fine middle ground that lets you stay on top of your notifications right from the lock screen, but OnePlus hasn’t been able to perfect it for general availability. While you wait for the feature to see the light of day, the only way to get a notification indicator (well, kind of) on your OnePlus 8 right now is through the aodNotify app, but it brings along with some unwelcome implications. Read MoreThis app lets you (sort of) add a notification LED to the OnePlus 8 was written by the awesome team at Android Police.