B, restart Bluetooth
C, restart the phone
D. Exit the Mi Dong Health APP and log in again to see if you can connect;
E, Android phone: you can clear the Bluetooth cache and restart the phone (take Xiaomi phone as an example: phone settings? Application management? More applications? All of them? Enjoy Bluetooth * *? Clear data, empty cache).
IOS phone: Can I set it on my phone? Bluetooth, click "Amazfit HB?" "I" after "XX"? Ignore this device; Turn Bluetooth back on (restart Bluetooth), and then try to connect.
All the above methods can be tried. If the problem has been solved, there is no need to try the latter method. If you still can't connect, please open the Mi Dong Health App and click me? Feedback, fill in the questions and contact information (check daily upload, the default check), and then submit feedback to provide the next health ID to help us locate the problem.