https://blog.wongcw.com/2023/01/29/oppo-find-n2-flip%e7%bf%bb%e8%93%8b%e6%8a%98%e7%96%8a%e6%a9%9f%e5%85%a8%e7%90%83%e7%89%88%e5%b0%87%e5%9c%a8mwc-2023%e5%b1%95%e7%a4%ba/