Does your S7 or S7 Edge periodically Eject your MicroSD and Remount?

It is not just a S7 Edge issue. It also happens to S7. You can go for days without it and suddenly 2-3 times per day.
1) It is totally normal on re-boot;
2) Everytime you swipe it away, if it comes back, this means that you SD card was ejected and re-connected;
3) it happens most of the time if you listen to music and watch pictures at the same time from the SD;
4) it does not happen to a lot of devices, but those ones are faulty hardware;
5) it could be a) bad tray, b) bad pressure connection inside the device where the SD sits (hardware issue) c) it could be an issue with the internal connector of your devices. It CANNOT be a software-related issue.
6) I have a Sandish 64gb (which has always worked properly in my S5). I bought a Samsung Evo 64gb, thinking that the SD could have been the issue. But they both do the same exact behaviour.
7) All my cards read well in my PC. I have formatted 1) from the PC (both SD, multiple times) and 2) within the S7 device option format: Everytime the issue came back.
8) if you google the issue around the Web, you will see that this issue is somewhat frequent. Some folks have exchanged 3 times with the same issue in all devices. But on millions of devices produced, it is normal that some defect occurs like in any chain of production.
9) Some people said to put a tape on the SD to make it fit tighter in the tray once it is inserted and sit in. For approximately half of them, it did resolve the issue. For the other half, it did not. I have not tried this yet.
10) As the device will age, I really believe that the issue will be worse and for those who don't yet see this issue, in my own opinion, I believe that the issue will arose at one point or another in time.
11) Samsung is fully aware of the issue. Of course wont admit it publicly. However, I am sure that they are working with this specific issue on the new batches to be produced.
12) This means: Do not scratch or break you glass (very week device for this) in anyway. Wait a few months and ask for this issue to be repaired. In the end Samsung WILL have to send back a bran new device to you because to fix this, they would have to totally open the device and this would be to expensive for them to do (specifically because the device needs to remain IP67 "water and dust resistant".
13) This will also means that you will need to send back your device and loose it for at least 4-6 weeks so I would strongly advise you to keep your "Old" android with you because you will need another device in the meantime.

I have done all the possible steps (managers, reviews of my file, pushing, etc.) with Samsung so that they ship me a new device and would ship back the one I have and they WILL NOT, in anyway do this. I am a lawyer, I know how to negotiate and trust me, this was probably the hardest negotiation I had to do in 17 years of practice and I lost (lol). So I now have to send them my device for repair loosing it for 6 weeks.
 
I sent my S7 to a Samsung repair center at the demand of Samsung "executive" department for the same issue: OFFICIALLY, the motherboard needs to be replacement. This is officially an hardware defect.