I love my 6D ii, but sometimes it becomes somewhat unresponsive. When this happens, I can take photos (I think), but I usually cannot view photos or select a different auto-focus point (I use the buttons on the camera or battery grip to change auto-focus points, rather than the LCD) (by the way, the reason I don't know exactly what is affected each time is because it always happens when I am photographing a client, and I don't have time to play around and see what is and is not working). A few months ago, there was a firmware update that was suppose to fix this (or a similar) issue, and I did download it; it seemed to help somewhat, but the problem still persists. Most of the time, I can correct the problem by simply turning off the battery grip, but sometimes I have to turn the camera off and back on (which has always made the problem immediately go away). This problem happens frequently enough that I am pretty fast at recognizing (and fixing) it, but it is still a pain. I was just curious: do any of you 6D ii owners have the same problem?