There are a number of possible reasons for your transaction not being successful. These might relate to your device settings, or a terminal not working correctly.
Please ensure your device is configured correctly for Contactless Mobile, by logging into the app, and checking your device status and payment card status.
If your device and payment card are configured correctly, please try again.
If you continue to have problems using your device for Contactless Mobile transactions, you can contact our Customer Services Team, quoting the app error code, as there could be a problem with your account.