How how do I get to stop Banner on top of my screen to come off and stop

[AC Question]

I have this Banner at the top of my screen that is constantly being updated with letters and numbers for example p and then DX Dy XV yv and it just goes on and on constantly please tell me how to turn it off

 

[YouBlue_dev]

Can you share a screenshot? What version of Android? Which device? Does it appear over all apps, on home screen, in particular apps?

 

[jeffhaskins]

I don't know which setting this is, but I think this is gonna be one of the options in the developer options.