https://blog.wongcw.com/2021/01/06/iphone-13-pro%e6%9b%9d%e5%85%89%ef%bc%9a%e6%90%ad%e8%bc%89%e4%b8%89%e6%98%9f%e6%9c%80%e5%bc%b7120hz-oled%e5%b1%8f%e3%80%81%e6%94%af%e6%8c%81freesync/