https://blog.wongcw.com/2019/08/09/%e8%8f%af%e7%82%ba%e6%8f%ad%e6%9b%89emui10-0%e7%b3%bb%e7%b5%b1%e6%89%bf%e8%ab%be30%e5%80%8b%e6%9c%88%e6%80%a7%e8%83%bd%e5%8a%a3%e5%8c%96%e4%bd%8e%e6%96%bc6/
華為揭曉EMUI10.0系統承諾30個月性能劣化低於6%