https://blog.wongcw.com/2020/01/08/20-59%e9%a1%af%e7%a4%ba%e5%b1%8f-120hz-%e4%b8%89%e6%98%9fgalaxy-s20-ultra%e5%8d%b3%e5%b0%87%e7%99%bb%e5%a0%b4/