https://blog.wongcw.com/2020/11/19/%e8%98%8b%e6%9e%9c%e7%a8%b1iphone-12%e7%b6%a0%e5%b1%8f%e6%98%af%e8%bb%9f%e4%bb%b6%e5%95%8f%e9%a1%8c%e7%b6%b2%e5%8f%8b%ef%bc%9a%e5%8f%af%e8%83%bd%e6%98%af%e5%b1%8f%e5%b9%95%e6%b7%b7%e7%94%a8%e7%9a%84/