https://blog.wongcw.com/2018/12/07/iphone-xr%e8%b7%8c%e8%90%bd%e6%b8%ac%e8%a9%a6%e6%98%af%e5%90%a6%e6%af%94pixel-3%e6%9b%b4%e7%b6%93%e6%91%94%ef%bc%9f/