Hello, I think I know my answer but I would like to see what others say. I understand LED hardware is different for many phones. For example, my Galaxy Note 4 doesn't allow LED on while the screen is on. Even though a Samsung S3 allowed this. So I understand limitations in colors and other configurations. When I set up my AN alert to use LED, I found a color that worked. However when I get the alert the LED does not come on if the screen was already off. If for example I turn the screen on, then let it fade off I will see my LED just as I set it. Is there anything that can be looked at from the AN perspective or is the problem the fault of the LED hardware used by Samsung on this phone?