Originally Posted by Anderson2
I am rooted but using stock rom.
Various apps utilize led notifications but it is hard after a while to remember which color corresponds to which app. I thought there might be a tool, not to modify them but just to list which app sends which color. But I guess not.
If I remember correctly, the LED light does flash red when the phone is charging, I myself downloaded Light Flow, which allows you to manage all aspects of the LED light, I like it much better than not having control over it . But like you said you did nothing, so must be just an app you have.