May I ask why Qualcomm's patent is so important to a mobile phone company?

In short, China is bidding farewell to the original traditional production format. Science and technology enterprises can become industry leaders only by continuous innovation. In this era, it is becoming more and more obvious that smartphone companies are upgrading and developing with the help of chip platforms and patented technologies. Especially now many mobile phone manufacturers in China choose to sign patent licensing agreements with Qualcomm, and we can see the importance of patents to enterprises.