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How to back up IOS SMS address book and call records?

How to back up mobile phone information (SMS, photos, address book ...) is provided by IOS:

Tools: IOS devices /iTunes

1. Backup operation method: Connect the iOS device to the computer. After iTunes reads the device, right-click on the left device and select "Backup":

2. Operation method of recovery: Since you can back up, you can of course recover the data. Right-click again, but this time you choose Restore from Backup. This operation is invincible, not afraid of accidentally deleting the data or something.

3. Manage backup methods: In addition, you can manage existing backup files. If there are too many backup files, it will actually take up a lot of space. Click the menu bar above iTunes and click Edit >; Preferences > devices ",you can view the management backup files.