1. First, find "Sound and Vibration" in the "All Settings" interface of the phone and enter.

2. Then click "Dolby Sound Effects" in "Sound and Vibration" to proceed to the next step.

3. In the "Dolby Sound" interface, you can simply select the two scene modes of "Music" or "Movie".

4. Then click "Dolby Audio Settings" for more advanced settings.

5. In "Dolby Sound Settings", turn on the relevant adjusters according to the actual situation and click "Equalizer".

6. Finally, choose an "intelligent balancing mode" that suits you to complete the operation.