Samsung Introduced Edge Lighting in Galaxy S8. Its present in all Galaxy phones. Here is how to enable edge lighting on Galaxy N… | Smartphone, Galaxy note, Samsung
65+ Galaxy S8 Tips & Tricks – Phandroid
Samsung Galaxy S8, S8+: How To Enable Edge Notification Lighting Of Infinity Display, Other Tips & Tricks
How to fix Edge Lighting on Galaxy S9, Galaxy S8 and Note 8
has anyone got Edge Lighting to work for alerts on an S8? - Android Forums at AndroidCentral.com