Or code is not being scanned

How to scan a QR code

1. Open the Camera app from the Home screen, Control Center, or Lock screen.
2. 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.
3. Tap the notification to open the link associated with the QR code.

Axel F.

Hello,

See this:

Scan a QR code with your iPhone, iPad, or iPod touch - Apple Support

Good luck.