To my knowledge, there is no 1080p content being broadcast. My cable subscription includes HD channels. I have three sets of most every channel, SD, and two HD channel sets (which I presume are 720p and 1080i). Not all channels exist in all three channel sets and not all programming aired on the HD channels are actually in HD.
problem is that I HAVE received 1080 resolution with the box & set I am still using. There's a screen that I believe starts with the heading "user settings" is begins with screen aspect, then has to do with closed capture options....now's here the main thing about this page, AT THE VERY BOTTOM THERE ARE INSTRUCTIONS FOR GETTING BACK TO HD BASICS.....IT SAYS TO SHUT OFF BOX...THEN PRESS 2 BUTTONS AT THE SAME TIME (ON THE BOX)
PROBLEM IS THAT MY BOX DOESN'T HAVE BOTH THOSE BUTTONS LISTED. I was on the phone yesterday with Comcast for about an hour, neither of the 2 reps could solve my issue.