(1) Restore the deleted address book number by restoring the backup.
If you used a backup application or service, you can try to restore deleted contacts from the backup.
How to operate: Open Baidu's network disk on the mobile phone, find my tools on the homepage, click Address Book Backup, select Restore to this machine on the Address Book Backup page, then click the combination of local and cloud to delete duplicates or cloud contacts to overwrite local ones, and finally click Start Recovery.
(two) the use of data recovery software to restore the deleted address book number.
If all the above methods are not feasible, you can try to use data recovery software to recover the deleted contacts. This software does not need to be backed up in advance, even if it is deleted, it is possible to restore it. In addition to restoring the address book, you can also restore WeChat, QQ, WhatsApp, mobile phone photos, videos, memos, voice memos and other 17 kinds of data.
Step 1: After successful installation on the computer, open the software and connect the mobile phone and the computer with the data cable, select Restore from iOS device, and click Start Scanning.
Step 2: After scanning, check the address book in the application bar on the left side of the software, and all mobile phone contacts can be seen on the right side of the software. The red font is deleted, and the black font is not deleted. Select from them, and then click Restore to Device or Restore in the lower right corner.
Note: No matter which method is used, it is best to take action as soon as possible, because the data on your device may be overwritten, making it more difficult or impossible to recover the data.