Hi there, service35.
I'd like to help you to iron out your concern that your card reader is not working and get everything up and running. You can try a few troubleshooting steps to fix issues with the GoPayment and QuickBooks mobile app card reader.
Our Merchant Services team can also help you out in identifying the cause of the issue and they can repair replace your reader. Meantime, you can check out the Technical Spec Sheet for QuickBooks Mobile Credit Card Readers to see if your device needs an update to meet the compatibility requirements.
To learn more about using a credit card reader, please refer to these articles:
You can always leave a reply below if you need more help. You take care and have a great day!
