https://blog.wongcw.com/2018/12/11/oppo-r17-r17-pro%e6%96%b0%e5%b9%b4%e7%89%88%e5%ae%a3%e5%b8%83%ef%bc%9a12%e6%9c%8817%e6%97%a5%e8%a6%8b/