I recently purchased the G3 in the uk so its the D855 version and i updated the software to 10g and today i noticed something weird after i put it in my pocket and i was driving , it heats up. First i thought its because of the knock code but after i switch it to swipe it still heats up. I keep it in my pocket with the screen closest to my skin. I will try to keep it with the screen up and see what happens...probably its because of the sensors if u apply slight presure to the screen while in pocket somethings happens...im waiting for your replies....tnx