Why volume icon appears on top left s9 plus

[Android Central Question]

Why volume icon appears on the top left of screen s9 plus

 

[Hermes Hidayat]

Why volume icon appears on the top left of screen s9 plus

can you have a screenshot of it?

 

[krisqz]

Must be some weird 3rd party app.

 

[Hermes Hidayat]

Must be some weird 3rd party app.

I use slider widget but it doesnt show on the top left. It shows on the top middle.