Since Huawei was ruthlessly blacklisted by the United States, Huawei has been treated unfairly. The continuous expansion of the 5G market was cut off by the United States and also by giant technology companies such as Google and Microsoft.
However, Huawei did not stop the R&D process of HarmonyOS system. Instead, it decided to intensify R&D, and at the same time began to demand huge patent fees from the largest carrier company in the United States.