Although you can scan a QR code with your iPhone locked, you won't be able to follow the link without unlocking it — so we recommend unlocking your phone to make the process smoother.

Select and import it into Microsoft Lens. You might have to scan QR codes with your iPhone in everyday situations. It's a ...

When you need to sign and scan a document or don't have a proper scanner ready, your iPhone will do just fine. David Lumb is a mobile reporter covering how on-the-go gadgets like phones ...