I've had the S7 since it was released. And yes, it is an excellent phone, but I'm beginning to notice some niggles.
It annoys me that the screen doesn't light when receiving emails or whats app messages - if the phone is on silent, it's just the discreet flashing of the notification light.
In 'do not disturb' mode, the notification light still flashes. So getting an email at 2am means a beacon flashes in the bedroom.
The alarm clock hasn't sounded a couple of times and I'm not sure why, so I'm back to my bedside alarm clock to be safe. And if you wake before your alarm and don't want it to go off, the only option is to delete the alarm, meaning that night you need to set it up as new.
But most niggly of all - the glass back. I didn't but the iPhone 4/4S because I felt making a phone completely out of glass made no sense. And, sure enough, the back of my S7 has smashed.