Originally Posted by megabiteg
I think that after the update the best thing is to drain down the battery till it's dead, then charge it up while phone is powered off for the first charge. I've achieved always best results doing this with already several HTC phones. I remember experiencing this drop in battery after updates on my Evo OG, Evo 4G & 3D...
Sweet, thanks for the tip. I'll definitely try that.