https://blog.wongcw.com/2020/10/13/iphone-12%e5%a4%a7%e7%8c%9c%e6%83%b3%ef%bc%9a%e7%9b%b4%e8%a7%92%e9%82%8a%e6%a1%86%e3%80%815g%e3%80%81%e8%97%8d%e8%89%b2%e3%80%81%e4%b8%8d%e9%80%81%e8%80%b3%e6%a9%9f/