This is after a factory reset unfortunately...i have this same problem everyday...i am leaning towards factory resetting my phone but i want that to be a last resort.
Ahhh. You're probably right. I always use a bunch of battery on my way to work. Maybe this morning was simply worse than normal.I have the battery going down really fast in one of our buildings at my work place due to poor cell signal. I see you have only one bar of the signal strength on your screenshot.
Is your battery going down fast even with a good cell signal strength? Did your phone feels warm during those 43 min?
Phone like to pump up more TX power during weak or poor signal.