The Huawei HarmonyOS 2.0 operating system was officially launched on Wednesday night. This has caused strong repercussions around the world. HarmonyOS 2.0 is defined as a smart device operating system for the era of the Internet of Things (IoT). It can be used with mobile phones and all kinds of smart devices, and even cars. It has an advanced upgrade system that leaps ahead of the current mobile operating system.