"Against all odds, South Korean Samsung smart phones outlasted Finnish Nokia's touch-screen devices. Only one of the smart phones we tested kept running smoothly when the temperature reached -30 degrees C / -22degrees F, and it was a Samsung."

Just cut the angle you want, and you get a different emotion from said article.

Moreover, common sense indicates that this theoretical exercise only matters if you're a coat-less smartphone-toting wild bear.

And even if that's the case, you should stop playing with your smartphone outdoors and go hibernate.