Anons, I might have something. Since all of the other photos of the phones Q posted had a timestap of 9:42 ET that means it would have had to be around 27 minutes into the video since Trump didn't start speaking until 9:15.

Look here at 26:53. Someone has their phone out:

http:// www.azfamily.com/clip/14089701/raw-video-trump-delivers-first-state-of-the-union-address