https://qooah.com/2012/07/28/%e6%a5%b5%e5%93%81%e7%84%a1%e8%89%af%e7%88%b6%e6%af%8d-lg-optimus-2x-%e5%8f%8a-black-%e5%8f%96%e6%b6%88-android-4-0-%e5%8d%87%e7%b4%9a/