https://www.vtechgraphy.com/ios/iphone-12-%e7%b3%bb%e5%88%97%e5%9d%87%e4%b8%8d%e6%94%af%e6%8c%81-120hz-%e9%ab%98%e5%88%b7%e6%96%b0%e7%8e%87%e5%b1%8f/