https://blog.wongcw.com/2019/11/08/%e4%b8%8a%e4%b8%8b%e7%bf%bb%e6%8a%98%e7%9a%84%e4%b8%89%e6%98%9fgalaxy-fold-2%e6%9b%9d%e5%85%89%ef%bc%9a%e5%9e%8b%e8%99%9fsm-f700/