If the buttons on your Xiaomi TV A Pro 43 cannot work properly, please refer to the following troubleshooting steps:
1. To ensure that there are no physical obstructions, please rub the dust, and debris on the surface of the buttons as this can sometimes interfere with button operation;
2. To clean up the objects stuck in physical buttons, please unplug the TV from the power source and wait for a few minutes, then plug it back in and turn it on after the cleaning to check if the physical buttons work normally;
3. Examine the physical buttons on the TV for any signs of damage, such as wear and tear or physical impact. If any buttons are physically damaged, they may need to be repaired or replaced;
4. Ensure that your TV's firmware is up to date. You can check for updates in the TV's settings menu by navigating to [Settings] >> [System] >> [About] >> [System update];
5. If all else fails, please reset your TV to the factory defaults by going to [Settings] >> [System] >> [About] >> [Reset] >> [Factory reset]. Keep in mind that this will erase all data and settings on the TV.
If the above troubleshooting methods can’t resolve the issue, please contact our local official service center or your seller for further assistance. They will help you in this regard.