https://blog.wongcw.com/2018/09/29/%e6%90%9c%e7%b4%a2%e6%a0%8f%e4%b8%8a%e5%b8%a6%e6%9c%89%e6%99%ba%e8%83%bd%e5%8a%a9%e7%90%86%e7%9a%84pixel-3-android%e5%90%af%e5%8a%a8%e5%99%a8%e7%8e%b0%e8%ba%ab/