Why isn't Xiaomi 10s ringtone stereo?

You can enter sound settings in System Settings.

Select the sound quality and sound effect settings to open the listening adjustment mode. Open the sound and vibration settings to open the phone settings, find the sound and vibration in the settings interface, and click Enter. Select the sound quality and sound effect settings, find the sound quality and sound effect options in the sound and vibration interface, and click Enter. Turn on the hearing adjustment mode. Click the listening adjustment in the sound quality and sound effect settings, and then open the listening adjustment mode in the pop-up window.