You can use your iPhone or Android phone as a webcam. Here's how - CNET

If you're looking for an easy and cost-effective way to upgrade your work-from-home setup, you can use your phone to improve the video quality on video chat apps such as Zoom, Microsoft Teams and Google Meet.

You can use your iPhone or Android phone as a webcam. Here's how     - CNET
If you're looking for an easy and cost-effective way to upgrade your work-from-home setup, you can use your phone to improve the video quality on video chat apps such as Zoom, Microsoft Teams and Google Meet.