There is no sound on Vivo mobile phone. How to recover?

If there is no sound in the speaker, the treatment method is as follows:

1, press the volume plus key to turn up the sound;

2. If a Bluetooth headset or wired headset is connected, please disconnect it and try again;

3. Close the background running software and try again;

4. Call out the control center and turn off the mute mode and do not disturb mode/focus mode;

5. Check whether there is sound in the speaker during the call, and eliminate the abnormality of playing music, video and other resources;

6. If the fuselage is broken, liquid is put outside and ash is put inside. , may affect the sound, please go to vivo customer service center for testing;

7. Please ensure that the speaker is not blocked or blocked, such as protective shell, dust, etc. If there is a jam, you can try to clean it up or go to the vivo customer service center to clean it up;

8. Restart the equipment;

9. Go to Settings-System Management/More Settings-Backup and Reset-Restore all settings.

Note: Restoring all settings will not delete any data or media files, but only restore all settings of the phone. Some third-party application accounts need to log in again. Please ensure that the use of the software will not be affected before operation. For the safety of mobile phone data, it is recommended to back up mobile phone data in advance before operation. (You can go to Cloud Service-Device Cloud Backup-Backup Data Type-System Data-Back-Back up some backup system settings and desktop layout immediately; Cloud service-data synchronization-enable WLAN, Bluetooth, etc. Synchronize data to cloud services)

10. If the above methods can't be solved, please back up the mobile phone data in advance and take the mobile phone to vivo customer service center for testing and processing. (Address and contact number of vivo customer service center: Go to the service outlet of "vivo official website /vivo Mall" APP-mine-or click the webpage link to get it, and select the current city to get it. )

Tips: It is recommended to bring relevant purchase vouchers (such as purchase invoices/warranty cards/ID cards) before going, and call the staff of the service center in advance to ensure that the staff will go again during normal working hours, avoid running empty, and pay attention to safety on the way back and forth.