https://blog.wongcw.com/2018/11/18/iphone-xs-xr%e5%90%84%e6%b2%898%e7%b1%b3%e6%b5%b7%e5%ba%9530%e5%88%86%e9%90%98%ef%bc%9axr%e9%99%a3%e4%ba%a1%e3%80%81xs%e4%bb%8d%e5%a0%85%e6%8c%ba/