How to resolve the noise issue on the Xiaomi TV F2 50?

If the Xiaomi TV F2 50 has a noise issue, please refer to the following scenarios and their troubleshooting methods: 
Scenario 1:
If the issue occurs when you are using the built-in speaker of your TV, please refer to the following methods:
1. Check TV Audio Settings by navigating to [Settings] >> [Display and Sounds] >> [Sound Settings]. On this page, you can adjust your sound settings and reset the settings;

2. Make sure that your TV's operating system is up-to-date, which often includes bug fixes and improvements. Go to [Settings] >> [Device & Software] >> select [About] >> select [Install Update]; 
3. If the issue persists, you can consider performing a factory reset. Go to [Settings] >> select [Device & Software] >> select [Reset to Factory Defaults]. Be aware that this will erase all data and settings on your TV, so make sure to back up anything important before doing this.

Scenario 2: 
If the issue occurs when you are using external device like soundbar, please refer to the following methods:
1. Verify that the settings on the external device are configured correctly; 
2. Ensure that the external device is properly connected to the TV. Verify that the cables are securely plugged into the correct input ports;
3. Inspect the HDMI cable for any damage. If possible, try using a different HDMI cable to see if the issue is related to the cable itself.
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.