https://blog.wongcw.com/2020/01/19/%e8%b7%91%e5%88%86%e7%b6%b2%e7%ab%99%e9%a1%af%e7%a4%bagoogle-pixel-4%e5%b7%b2%e8%b7%91%e4%b8%8aandroid-11/