1. Confirm whether there is any problem with music resources, and you can change other music to play;
2. When playing music, compare the volume reduction of the mobile phone to eliminate the vibration of the mobile phone caused by excessive volume;
3. If there is noise when listening to songs with headphones, confirm whether the earphone plug is completely inserted into the earphone hole
to avoid noise caused by poor contact;
4. You can change other earphones for audition, and troubleshoot the earphones;
5. Check whether the speaker is blocked by dust or foreign objects, and clean it with toothpicks or handle it in vivo service center;
6. restore all settings, and go to mobile phone settings-more settings/system management-backup and reset/restore factory settings-restore all settings.
This operation will cause the logged-in third-party software account to need to log in again, but it will not clear the photos, videos and other files stored in the mobile phone. Please make sure that it will not affect the use of some third-party software before restoring all settings. To avoid data loss caused by abnormal operation, it is recommended that you back up the important data of your mobile phone first. ;
7. If the above methods are not restored, you need to take your mobile phone and valid purchase certificate to the customer service center for testing and processing. You can pay attention to WeChat WeChat official account "vivo" or "vivo customer service" to inquire about the address and telephone number of the service center. It is recommended to contact by phone before going, so as to ensure that there is staff to receive you and then go there, so as to avoid wasting precious time.