https://qooah.com/2015/08/19/samsung-%e6%9c%89%e4%bb%80%e9%ba%bc%e6%a9%9f%e5%8f%af%e4%bb%a5%e4%b8%8a-android-m-%e5%8d%87%e7%b4%9a%e4%b9%8b%e5%be%8c%e6%9c%89%e4%bb%80%e9%ba%bc%e6%96%b0%e5%8a%9f%e8%83%bd-%e5%91%8a%e8%a8%b4/