https://blog.wongcw.com/2019/11/28/redmi-k30%e6%9b%9d%e5%85%89%ef%bc%9a120hz%e5%88%b7%e6%96%b0%e7%8e%87-%e9%9b%99%e6%a8%a15g-%e4%b8%8b%e6%9c%88%e7%99%bc/