https://blog.wongcw.com/2019/03/01/%e7%b4%85%e7%b1%b3note-7-pro%e5%9c%8b%e8%a1%8c%e7%89%88%e5%ae%a3%e5%b8%83%ef%bc%9a3%e6%9c%8818%e6%97%a5%e7%99%bc/