Have changed your Samsung Galaxy Note 7 to Samsung Galaxy S7 Edge due to the security? If so, MobileTrans is what you need. It helps you transfer all the contacts, videos, photos, Apps and more at one time with a single click.

http://www.youtube.com/watch?v=cf-aXwL0IaU

Moreover, works with other smartphones:
Apple iPhone 6S/6S Plus, iPhone 6/6 Plus, iPhone SE;
Samsung Galaxy S6/S6 Edge+, S5, S4, Note5, Note4;
LG G5, G4, G3, V10; Moto G, Moto X, HTC 10 and more.

Thanks for your post, as far as i know, we can use a mobile transfer data between samsung galaxy device.
You just need to connect your two phones to computer via the usb cable at the same time, and start the app to transfer data.

Samsung Data Transfer supports transferring data between two Samsung galaxy phone .It offers both Windows Version and Mac Version for users to do the Samsung Galaxy S7/S6/S7/S4/Note 7/Note 5 data transfer .
How to transfer files from Samsung to Samsung

Want to Copy Data from Samsung Galaxy Note 7 to Galaxy S7 Edge? It's not difficult with Phone Transfer software. With it, we can directly transfer data between mobile phones, no matter what OS they are running on, such as contacts, text messages, photos, videos, music, and so on.

Try the mobile transfer tool to solve your problem, read this tips: how to transfer data from samsung to samsung.

Want to Copy Data from Samsung Galaxy Note 7 to Galaxy S7 Edge? It's not difficult with Phone Transfer software. With it, we can directly transfer data between mobile phones, no matter what OS they are running on, such as contacts, text messages, photos, videos, music, and so on.
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