To pay an invoice using a QR code, you have two options:

Scan QR code with the camera:

1. Open a new payment ('+' > 'Send money').
2. Select the account you want to transfer the money from.
3. Select 'Scan QR code' > 'Take Photo' and hold the camera over the QR code on the invoice. The payment form will be automatically filled out with the data in the QR-Code.
4. Confirm the payment as usual with a TAN.

Add QR code from photos or documents:

1. Save the invoice with the QR code as a photo or document on your device.
2. Open a new payment ('+' > 'Send money').
3. Select the account you want to transfer the money from.
4. Select 'Scan QR code' > 'Select Image' and then select the file with the QR code. The payment form will be automatically filled out with the data in the QR-Code.
5. Enter a TAN to authorize the payment.