The Galaxy S10 Doesn't Have a Notification LED — Here's Why « Android :: Gadget Hacks
4 apps to turn the front camera into a notification LED - Crast.net
How to Turn Your Galaxy S10's Camera Cutout into a Notification LED « Android :: Gadget Hacks
NotifyBuddy uses your phone's AMOLED display as a notification LED
Notification Light Not Working On Samsung S9: Here's The Fix
Amazon.com : Divoom Pixoo -- Pixel Art Digital Picture Frame with 16x16 LED Display APP Control - Cool Animation Frame Wall/Desk Mount for Gaming Room & Bedside Table -Black : Electronics
Get Notification LED on Android Devices with AMOLED Display