You can scan a QR code using the camera on your smartphone, tablet, or computer — however, you may need to download an app.
You can use your iPhone to scan documents, QR codes, and other files using the Notes app and your camera.
QR codes are everywhere these days, offering a simple way to access information through your device's camera. Now, with iOS ...
Connecting your two accounts is simple; all you need to do is: Open the friends menu. Click the 'Connect to Discord' prompt.