Each time you restart the Huawei P20, you will hear a single tone. This sound can be annoying under certain circumstances, especially if you are in a quiet environment and do not want to attract attention.
How to disable the power-on sound of the Huawei P20 is now explained:
- Open the home screen of the Huawei P20
- Navigate to "Tones" and in the next submenu to "More Sound Settings"
- In this submenu you will see the option "Power-on sound" - set the slider to "inactive"