If you don't remember the verification answer, please back up the data, and then enter the recovery mode-clear data-clear all data and reset the password. This operation will clear the device data, please pay attention to the backup.
Important data is backed up by cloud services before operation.
Enter the mobile cloud service-device cloud backup-backup data type-turn on the switch that needs to be backed up-return to the previous page-click Back Up Now;
For more questions, you can enter the online customer service of vivo official website-click on mine and enter "Manual" to contact the online customer service for handling.