Unable to recover, if there is a backup, you can recover. After the phone is turned off, the records of the deleted old smart Chinese address book will be completely emptied and cannot be recovered. If it is deleted by personal operation, it cannot be restored. If it has been backed up, the following methods can be adopted: 1. First, turn on the computer that was backed up before.

2. Second, open itunes and select Restore from Backup.

3. Finally, select the latest backup to restore.