Bull. Best I ever managed with normal use was ~20 hours, and on 3G. Even in areas with strong 4G, it'd still be under 10hrs using it. But, I dumped it before the latest radios were available . . .MR4?
I get a good 36 hours or so, charge it roughly every other night
but I have the verizaon extended battery
on the most up to date verizon build.
mostly 4g at home except when it flakes, and at work its all 3g due to a repeater in the building
but I dont use it heavy as I sit in front of a computer all day and since I am the internet czar I have no filters