My phone is stuck on Zoom

My phone is stuck on Zoom. I cannot turn it off. The screen is to big to access anything to turn it off.

I have tried to plug it into my desktop, not apple, and the phone does not appear in itunes. So I can't use that?

the only thing I can do is let the battery run out...

I've already called 911 by mistake so don't want to touch the phone again.

The 3 fingers did not do anything. This has happened in the past but the 3 fingers thing worked...

Totally fed up!

​[Re-Titled by Moderator]