1. First, we click on the settings of the Huawei mobile phone.

2. Enter the settings interface and click the "Sound" button.

3. Enter the sound interface and click on the ringtone.

4. Enter the ringtone selection interface, where you can select system ringtones, local music, video ringtones, and offline ringtones.

5. Click "Local Music" here.

6. Select a piece of music you like, and then click the return arrow in the upper left corner.

7. Return to the sound interface, the ringtone for incoming calls has been changed.