3uTools creates and stores backup files for you to use to restore your iDevice. You can backup and restore the data on your handheld devices.
You will only need to use WIFI when the USB connection is not working. The lightning cable will give you the best connection. You can connect your portable device to your PC with a USB cable or WIFI network. 3uTools is a comprehensive app for PCs that lets you view and manage the information on your Apple device in a user-friendly interface.