Solution of low voice of vivo mobile phone

The solution of low sound of vivo mobile phone (taking vivoy67 as an example);

1. Open your phone and click Settings.

2. Click the sound.

3. Then turn off the mute and Zhendong switches.

4. Turn the bell, volume and alarm clock to the maximum and pull it back all the time. Be sure to turn the sound up to the maximum.

5. Click Do Not Disturb mode.

6. do not disturb mode manually clicks Close, then returns to the desktop, and then selects video or music to listen to the sound again.