How can the mobile phone speaker return to normal without sound?

There are many reasons why there is no sound in mobile phone speakers. I'll give you a summary today, hoping to help you.

First, check the volume.

Situation 1: There is no sound in the incoming call, but everything is normal while listening to music and playing games.

Situation 2: There is no sound in all cases.

Second, mobile phone speaker fault diagnosis method

Method 1: Restore the exit settings.

Method 2: Update the system.

Method 3: Please bring your mobile phone and warranty card to a nearby mobile phone shop for repair.