https://blog.wongcw.com/2020/02/13/mwc%e5%b1%95%e6%9c%83%e5%8f%96%e6%b6%88oppo-find-x2%e7%99%bc%e5%b8%83%e6%9c%83%e5%bb%b6%e6%9c%9f/