Presently, the smartphones that can get
Harmony OS 2.0 update includes Huawei P40, P40 Pro, Mate 30, Mate 30 Pro, and MatePad Pro devices. In addition to its availability OTA, this update also supports Android applications. Technically, Harmony OS is just a change in the bottom layer of Huawei's previous system. This means that Android + EMUI will now work as Harmony OS2.0 + EMUI. According to Huawei's official website, users on the
HarmonyOS Beta version
can roll back to the EMUI 11 stable version. This can be done using Huawei Mobile Assistant (HMA).