Quote Originally Posted by harrellj View Post
As quoted from the link: That is the Icon for the Hearing Aid.
Menu > Settings > Call > Hearing Aids
If activated it will make the sound in a voice call a little louder, i use it for work, as i am a firefighter at an airport and there is always some that make it harder to hear the person i am talking to.

It was very helpful having clear, and precise instructions, I finally got rid of the symbol.