Try these steps:

1. Make sure your app is version 6.0.10 or above

2. Make sure both devices are added to the same Home

3. Select the correct product category before scanning the QR code

4. Check the HBmini device compatibility list to see if your device is supported

If the issue persists:

Please contact support and let us know which device you're trying to bind. We'll confirm whether it's on the supported list and when support will be available.

If you have any other questions, please don't hesitate to contact eufy Support Engineers for further assistance.