Generally it's due to the battery. http://bits.blogs.nytimes.com/2014/01/22/is-the-cold-weather-battering-your-smartphone-battery/ http://bits.blogs.nytimes.co

Generally it's due to the battery. http://bits.blogs.nytimes.com/2014/01/22/is-the-cold-weather-battering-your-smartphone-battery/ http://bits.blogs.nytimes.com/2014/01/22/is-the-cold-weather... https://www.google.com/search?q=cold+phone+shutdown https://www.google.com/search?q=cold+phone+shutdown