How to do if the bluetooth remote control appears no response, failure?

Solution:
If using the bluetooth remote control, please refer to the following ideas:
1. Please bind the MI bluetooth remote control.
2. Replace the battery of the remote control and try again to check whether the battery is sufficient. Whether there is rust, rust or deformation in the contact part between the remote control and the battery. If there is obvious rust, rust, deformation, can be considered to buy a new remote control or after-sales.
3. Clear the paired list of "connected bluetooth remote control" and re-pair the bluetooth remote control.
Method: MI TV Settings - Peripherals and bluetooth - MI bluetooth remote control - Paired remote control - Select the paired bluetooth remote control, and then click the "confirm" button of the remote control to select and delete the bluetooth remote control.
3. Please enter the TV butler to clean up the garbage or restore factory Settings through other remote controls.
4. Confirm whether the version of the TV system is the latest. If it is an old version, please update the version of the TV system.(the remote control should not be powered off during the upgrade process, otherwise it is easy to cause the remote control upgrade to fail and become unusable.)
5. Check whether there is any other interference around the use environment, such as WiFi, wireless mouse/keyboard, bluetooth, etc.The above steps are invalid. It is suggested to apply for after-sales service for the unusable remote control.