Android Lollipop : How to Enable or disable Led indicator Notifications on Samsung Galaxy S6 - YouTube
TUFF Series Military Grade Drop Tested Impact Resistant Hybrid Cover and Atom LED for Samsung Galaxy J3 (Luna Pro, J3 Prime, Eclipse, Emerge, Mission, Amp Prime 2, Sol 2) - Pink / Gray - Walmart.com
Add a Blinking Notification Light to Samsung's Always on Display on Your Galaxy « Android :: Gadget Hacks