https://qooah.com/2013/05/23/lg-optimus-g2-%e7%9c%9f%e6%a9%9f%e5%9c%96%e7%89%87%e6%9b%9d%e5%85%89%ef%bc%8c%e6%90%ad%e8%bc%89snapdragon-800-%e8%99%95%e7%90%86%e5%99%a8/