How does ios9 back up SMS?

1. Backup operation method: Now let's open itunes in the computer, click here to download it, then connect the iphone to the computer with a data cable, and then right-click the left device (the new version of iTunes does not display the left sidebar by default, so you need to open it with the keyboard shortcut Ctrl), and select "Backup":

2. Recovery operation method: We also right-click in itunes to select "Recover from backup ...".

3. Manage the backup mode: click the menu bar above iTunes and click Edit >; Preferences > devices ",you can view the management backup files.