https://blog.wongcw.com/2020/07/10/%e5%a6%82%e4%bd%95%e9%81%8f%e5%88%b6oem%e5%bb%a0%e5%95%86%e7%98%8b%e7%8b%82%e6%ae%ba%e5%be%8c%e5%8f%b0%e6%87%89%e7%94%a8%ef%bc%9fandroid-11%e9%a0%92%e5%b8%83%e5%a4%9a%e9%a0%85%e8%88%89%e6%8e%aa/