You can use your iPhone to scan documents, QR codes, and other files using the Notes app and your camera.

You can scan a QR code using the camera on your smartphone, tablet, or computer — however, you may need to download an app.

Instead, you need to open and register Signal on the new phone and select an iOS transfer. Then you use a QR code to connect the old and new iPhones and a transfer will begin. Be warned — that ...