How to use your iPhone as a webcam in macOS apps Once Continuity Camera is active, your Mac should automatically detect your iPhone as a webcam source in any compatible app.

Scan a document with your iPhone or iPad To scan a document with your iPhone or iPad, first place the document on a flat surface in a well-lit area.

You can lightly tap the Camera Control button twice to cycle through other settings, including exposure, depth, and the iPhone 16’s new Photographic styles.

The following steps show you how to turn the Camera Control button into a QR code scanner: On your iPhone, open Settings. Tap Camera. Tap Camera Control. Select the Code Scanner option.