https://qooah.com/2012/09/20/%e4%b8%8d%e5%86%8d%e5%ad%a4%e5%85%92%e4%ba%86-google-nexus-%e7%b3%bb%e5%88%97%e5%b0%87%e6%9c%83%e5%8a%a0%e5%85%a5-lg-optimus-g/