The main reason is that the US government has imposed a ban on Huawei, prohibiting US companies from selling technology products and services to Huawei, including Qualcomm chips. In order to avoid being affected by the ban, Huawei began to strengthen its own research and development and launched its own Kirin chip, which has better performance in power consumption, performance and security. In addition, Huawei's increasing global market share can also attract more and more chip manufacturers and partners, so that Huawei can more independently control its own technology and production chain.
Huawei has invested so much in the development of its own mobile phone processor just doesn't want to be controlled by others, Qualcomm is, after all, a monopoly company in the United States.
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The whole machine bundled authorization method he provided has poached a large part of the profits of the manufacturers, which may have some benefits for small businesses, after all, the technical force is not strong and it is better to rely on Qualcomm's program, why should Huawei use Qualcomm's strong technical force?