https://blog.wongcw.com/2019/09/14/%e5%a0%b1%e5%b0%8e%e7%a8%b1%e5%8f%97%e6%ad%a1%e8%bf%8e%e7%9a%84iphone-xr%e6%8b%af%e6%95%91%e4%ba%86%e8%98%8b%e6%9e%9c%e5%85%ac%e5%8f%b8/