https://qooah.com/2011/11/02/sony-ericsson-xperia%e7%b3%bb%e5%88%97%e7%82%ba%e5%8d%87%e7%b4%9a%e9%8b%aa%e8%b7%af-%e5%85%88%e5%8d%87android-2-3-4/