There will be a bell when the flip old man opens the phone. How to turn it off?

1. Open the phone case, enter the phone software page, and click Open [Settings].

2. Then, find the sound and vibration in the function list, and then click [Sound and Vibration].

3. After entering the sound and vibration list, slide the screen up to find the option of "Flip sound effects on/off".

4. Finally, slide the button on the right to close, so that the flip sound effect is successfully closed.