Unknown icon on homescreen ?

[AC Question]

Its a samsung galaxy s4 through us cellular its at the top right under my clock its a white 3/4 circle with a gray triangular shape on the top left of it i dont know what it is can anyone help??

 

[Golfdriver97]

Welcome to the forums. Can it be clicked on?

Edit: Can you long press it and instead of dragging it to the top for removal, do you have an app info option?