Share your experience!
So, a friend in the UK had this pop-up on his xperia xz, and he has no idea what it is, and I said I would research it and came up short. PLease help!
That's probably a third party app, you can tell him to boot in >>> safe mode if he doesn't experience the same issue then it is indeed a third party app.
Communicating answers to the person, we will see if you won!