How to back up SMS and address book on iphone?

There are many ways. Just use ITUNES on your computer to back up your phone, and then text messages and address books will be saved. Just back up your phone.

1 or search and download computer software-itools, recommended!

2 Open iTools and enter the "Information Management" option.

3 Select Address Book, click Backup and enter a backup name.

4 or install QQ synchronization assistant to backup to QQ server.

You can also use ITOOLS to export and import address books.

First, we connect the device to the computer and turn on iTools.

7 Then find "Information Management" in the "Connected Devices" column on the left, and then expand the address book.

8 Under the Address Book, find the Import and Export button, and click Export-Export as a CSV file.

In this way, the address book has been successfully backed up, and it is very simple to restore the address book. Under the Import and Export button bar, select Import-Import CSV file.