You can scan and open a QR code directly from your iPhone camera or a picture — you don’t have to download a third-party app. Here are the three ways you can open them: inside the camera, using a shortcut in Control Center and directly from your photo library.
If you’re in a restaurant and you want to open their digital menu, or you’re setting up two-factor authentication using a code, you don’t want to fiddle with installing an app. This functionality is built right into your phone.
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