Black Shark 4pro speaker has no sound and current sound.

There is no sound in the Black Shark 4pro speaker, and there is current sound, so the volume is not turned on.

1. Find the settings and turn on the sound and vibration. At this time, you can see that the bell is off and the switch on the right side of the mute is on. Turn on the bell and the mute will be cancelled. Find the settings and turn on the sound and vibration. At this time, you can see that the bell is off and the switch on the right side of the mute is on. Turn on the bell and the mute will be cancelled.

2. It's not the volume. You can restore your phone, open the settings, click System and Update, find Reset, and select Restore All Settings. If the problem is not solved, it may be that the hardware of the mobile phone is faulty and sent to the maintenance point for repair.