When you have changed your old iPhone to a new Samsung Galaxy S7, the first thing you may need to do is transferring all the data from the old phone to the new one. MobileTrans is designed to solve this problem. It helps you transfer all the contacts, videos, photos and more at one time with a single click.
http://www.youtube.com/watch?v=xpYNCBH2Zc0 [youtube.com]
Works with all iPhone:
iPhone 3GS, iPhone 4, iPhone 4S;
iPhone 5, iPhone 5S, iPhone 5C;
iPhone 6, iPhone 6 Plus;
iPhone 6S, iPhone 6S Plus.