a random white circle with an X in it shows up at the bottom of my S5 active

[misty607]

its a white X inside a circle at the bottom of my phone......it doesnt matter what i open it stays there and interferes with txtg then goes away at random for awhile

 

[linx32]

Sry, can't help. I have the same issue.
Note 4 Android 6.0.1