QR codes give you quick access to websites without having to type or remember a web address. You can use the Camera app to scan a QR code a for links to websites, apps, tickets, and more.
Open the Camera app from the Home Screen, Control Center, or Lock Screen.
Select the rear facing camera. Hold your device so that the QR code appears in the viewfinder in the Camera app. Your device recognizes the QR code and shows a notification.
Select the notification to open the link associated with the QR code.