1. Upgrade the phone version number and restart the phone;
2. Restore all settings of the mobile phone: Go to Mobile Phone Settings-System Management/More Settings-Backup Reset/Restore Factory Settings to restore all settings. This operation will cause the logged-in third-party software account to log in again, but it will not clear the photos, videos and other files stored in the mobile phone. Before restoring all settings, please ensure that the use of some third-party software will not be affected.
3. Take the mobile phone to the service center for testing and processing, enter the browser to search for vivo official website-Service-Service Center-View All-select provinces and cities to inquire about the address and contact information of local service centers.