what is the circle with a cross inside at the top of my android phone and how do i get rid of it

[Android Central Question]

circle symbol with a cross inside at the top of my android phone. It just appeared one day and I have no idea what it is or where it came from

 

[belodion]

See this: https://forums.androidcentral.com/a...et-rid-circle-sign-appeared-top-my-phone.html