If you're traveling, for business or for pleasure, think about avoiding the Samsung Galaxy S7 Nougat update until you get back.
We've been doing this for many years. And over the years we've spoken to a number of people stranded with a busted device/app/service because they updated to a new version of Android during a trip.
A functioning phone is important when you're traveling in a place you've never been before or if you're on a business trip with colleagues.
If you're out of your comfort zone, it's a good idea to wait to do this upgrade until you get back to your base of operations. That could be your hotel, it could be your house.
You don't want to jeopardize a fun trip or an important business meeting. Wait until you have some quiet time and then install the Galaxy S7's Android Nougat update on your device.