https://blog.wongcw.com/2019/12/12/oppo-find-2%e6%9c%89%e6%9c%9b%e7%94%a8%e4%b8%8a%e7%b4%a2%e5%b0%bc%e6%96%b0%e4%b8%80%e4%bb%a3pdaf%e8%87%aa%e5%8b%95%e5%b0%8d%e7%84%a6%e6%8a%80%e8%a1%93/