If the Bluetooth phone call quality of your PX3 Android 7.1 vertical screen head unit is not so good, you can follow this video to change the settings.
[ Ссылка ]
![](https://i.ytimg.com/vi/neBQCcZ3hZ0/mqdefault.jpg)
If the Bluetooth phone call quality of your PX3 Android 7.1 vertical screen head unit is not so good, you can follow this video to change the settings.
[ Ссылка ]