At present, Huawei's fastest system is HarmonyOS 3. At the press conference on July 27, 2022, Yu Chengdong, managing director of Huawei, CEO of Terminal BG and CEO of intelligent Vehicle Solution BU, said that since the release of HarmonyOS 2, the HarmonyOS 2 version upgrade rate is 77%. Compared to iOS and Android12 is the fastest growing terminal operating system in history. By July 2022, the number of Huawei devices equipped with HarmonyOS 2 has exceeded 300 million [1]. On the basis of the previous generation, HarmonyOS 3 has been comprehensively updated and optimized to bring users a \"common, new and further\" upgrade experience.