Whether you’re hearing impaired or just work in a noisy environment, having a visible alert, such as an LED flash, can be quite handy! Follow the very simples steps below to set your device up!
This tutorial was done using iOS 9.2.1. Previous versions of iOS may look slightly different or may not have this feature at all.
Go to Settings > General
Scroll down and select Accessibility
Once in Accessibility, scroll down and toggle the LED Flash for Alerts
That’s it! Now, whenever you receive a message, your LED will flash and let you know.