Solutions:
If Mi Temperature and Humidity Monitor binds to Mi Home App failed,troubleshoot as following:
1. Check whether Mi Home APP and device are the latest version, and try to upgrade to the latest version or reinstall;
2. Try to adjust Mi Temperature and Humidity Monitor's position with the mobile phone;
3. Restart the bluetooth of the mobile phone and try again after restarting the mobile phone;
4. Reinstall or replace the battery of Mi Temperature and Humidity Monitor;
5. Try to replace other mobile phones;
6. if the above steps are invalid, it is suggested to go to the after-sales center for inspection.