What is the backup method of address book?

If you use a vivo phone, you can check the method of backing up call records:

1, enter Cloud Service-Device Cloud Backup-Backup Data Type-Call Record, turn on the switch-return to the previous page-and click Backup Now;

(Some models: enter the cloud service-Settings-Call Records-Automatic backup or instant backup to back up the call records. )

2. Connect the mobile phone to the vivo mobile assistant on the computer, and then click Backup Data-Backup-View Call Records to back up the call records.

3. You can use Baidu network disk, QQ synchronization assistant and other third-party backup software for backup.