How to Back up and Restor your iPhone/iPad/iPad using iTunes

To Backup:

1. Make sure that you have the latest iTunes version. You can get it here.
2. Connect your iDevice to your computer.
3. Choose File > Devices > Back up.
   If you're using iTunes 10.7 or earlier, right-click the device from the list and choose Backup Now.

To verify that the backup finished successfully, open iTunes Preferences and select the Devices tab. You'll see the name of the device along with the date and time iTunes created the backup.

Restore from a backup

1. Connect your iOS device to the computer that has your backup.
2. Make sure this computer has the latest version of iTunes from here.
3. Choose File > Devices > Restore from Back up.
   If you're using iTunes 10.7 or earlier, right-click the device from the list and choose Restore from Backup.