1. First, please find the "Hello Voice" icon in your mobile phone and click to enter the main interface.
2. Step 2: A new interface as shown in the figure appears on the screen. Please select your own avatar button.
Step 3: Next, please select the Settings button on the screen.
Step 4, as shown in the figure, please click the message on the screen to inform this item.
5. Step 5, as shown in the figure, a new interface as shown in the figure appears on the screen, in which sound and vibration have been turned on.
6. Finally, after completing the above steps, please just turn off the sound and vibration one by one, and the operation is complete.
That's how the closing tone in Hello voice came from.