If there is no sound in the incoming call of the vivo mobile phone, you can refer to the following treatment methods:

1. Enter Settings-Sound and Vibration (Sound, Vibration and Mute Keys)-Turn off the mute, select "Ring Mode" and turn up the ringtone volume; If there is a mute button on the side of the fuselage, you can dial the mute button up to cancel the mute mode;

2. If you enter do not disturb mode/focus mode, there will be no prompt for incoming calls at this time, please enter Settings-Sound and Vibration/Sound Vibration and Mute Key-Focus Mode/do not disturb mode-enter the corresponding scenario-turn off the function;

3. Restart the phone and see if it recovers;

4. Enter Settings-System Management/More Settings-Backup and Reset/Restore Factory Settings-Restore All Settings-Restore, Restore Settings Options.

This operation will not delete the software or files, but only reset all the setting options; For data security, important data can be backed up before operation.

note: enter the cloud service-device cloud backup-backup data type-system data-return-immediately back up some backup system settings and desktop layout; Cloud service-data synchronization-Turn on WLAN and Bluetooth to synchronize data to the cloud service.

after investigation, if there is sound in other scenes, such as playing songs, you can enter vivo official website-mine-online customer service-slide to the bottom-online customer service-enter manual customer service to enter consulting assistance.

if there is no sound in any scene, it is recommended to take the mobile phone and purchase certificate to the customer service center for testing and processing in time. Address of vivo customer service center: go to the APP-- My-outlet of vivo official website /vivo Mall for inquiry, and select the current city to get the address and contact information of the service center. It is suggested to call in advance before going to avoid empty running, plan the trip reasonably and travel safely.