https://qooah.com/2011/05/18/%e5%8f%b0%e7%89%88-motorola-defy-%e5%b7%b2%e9%96%8b%e5%a7%8b%e6%9b%b4%e6%96%b0android-2-2%e6%b8%af%e7%89%88%e4%b9%9f%e5%8f%af%e7%94%a8/