If you haven't updated your Samsung Galaxy S7 or Galaxy S7 edge to Android 7.0 Nougat, you might be better off skipping Nougat for a few days/weeks after reading the list of issues below.
Samsung Galaxy S7 users running Android 7.0 Nougat are reportedly facing Camera issues like underperformance, crashes, and unresponsive settings. This, however can be fixed by resetting camera app or restoring factory settings. Other major issues includes No Option to Rotate Screen, Trouble enabling WiFi, Notification alerts not working as intended for various apps, Bootloop, LED Notification not working, Distorted sound coming out of the speaker, drastic battery life drops.
Samsung support staff is now aware of this issue. So, hope it gets fixed at the earliest.
Via: Mobileinternist | Source: Verizon Wireless Forum