Final answer:
To solve the problem of the vendor's contactless card reader not recognizing the customer's wallet app, the vendor could try holding the mobile device closer to the reader, restarting the card reader, or using a different payment method.
Step-by-step explanation:
To solve the problem of the vendor's contactless card reader not recognizing the customer's wallet app, there are a few possible solutions:
- Hold the mobile device closer to the reader and wait: Sometimes, the distance between the mobile device and the card reader can cause connection issues. By holding the device closer, the reader may be able to recognize the app.
- Restart the card reader: Restarting the card reader can help reset any potential technical glitches that may be causing the issue.
- Use a different payment method: If the contactless payment method continues to not work, the vendor can suggest using an alternative payment method, such as cash or a different card reader.