How to change the default ringtone of Huawei mobile phone to beep?

1. First, go to "Settings" of Huawei mobile phone, slide down to "Sound and Vibration" and click "Call Ring".

2. Secondly, click on the local music above, and click on the "DuDu" song that has been downloaded to the mobile phone music library.

Finally, when you go back to the previous page, you can see that the bell has been changed to "beep".