How to cancel the private number of vivo mobile phone

If the caller ID is private or unknown, you can refer to the following troubleshooting methods:

1. If only a few incoming calls are not displayed, it may be that the other party used VoIP or third-party software to dial;

2. The other party has started the business of hiding numbers;

3. The phone came from abroad and could not be successfully identified;

4. The caller ID package may not be opened, so it is recommended to consult the SIM card operator;

The contact numbers of the four major domestic operators are: 10099 (China Radio and Television), 10086 (China Mobile),10 (China Unicom) and 10000 (China Telecom), so you can call them in time.

5. Check the three-way calling software. If it is downloaded, you can uninstall it before observing and using it; Such as: many ringtones, caller ID, cool dog ringtones, etc.

6. Enter Settings-System Management/More Settings-Backup and Reset/Restore Factory Settings-Restore All Settings-Restore and Restore Settings Options. This operation will not delete the software or files; It will only reset all setting options; For data security, important data can be backed up before operation.

Note: Enter 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-turn on WLAN and Bluetooth to synchronize data to cloud service.

7. If the above methods are still ineffective after operation, it is recommended to take your mobile phone, purchase certificate and warranty card to the after-sales service center for assistance. Address of vivo Customer Service Center: Go to the APP-My-outlet of vivo official website /vivo Mall and select the current city to get the address and contact information of the service center. It is recommended to call in advance before going to avoid empty running, plan your trip reasonably and travel safely.