The description of Content Transfer
The Content Transfer app allows fast and simple transfer of personal media (photos/videos/music) as well as contacts, call logs, and text messages from your old device to a new one. Content can be transferred over the air using WiFi without the need for wires or data services (does NOT use your subscribed 3G/4G data connection), or additional equipment. Simply run Content Transfer on both devices to easily and intuitively copy all your personal data and begin enjoying your new phone. Also supports transfers to and from iPhone devices.