Solution 1
You can exit the Mi Dong Health Account and log in again, and the App will automatically connect the bracelet for firmware upgrade.
Solution 2
You can unbind, rebind and try to upgrade.
Solution 3
If the above two methods fail many times, please send the bracelet back to Huami Company for testing. After all, Bian Xiao is not omnipotent, and any problem can be solved.
For more tutorials on the use of amazfit Midong Health Bracelet, please click below.
Heart of the King 2 Click on the demo.