https://blog.wongcw.com/2020/08/05/4g%e7%89%88galaxy-note-20-ultra%e7%8f%be%e8%ba%ab%e8%b7%91%e5%88%86%e5%ba%ab%ef%bc%9a%e5%85%a7%e5%ad%98%e7%b8%ae%e6%b0%b4%e8%87%b38gb/