1. Find a mobile phone manufacturer to buy a patent as a supporting application product or grant the right to use it;
2. Search patent trading platforms (there are many at present) and find buyers online.
3. Find venture capital companies, such as angel investment funds. If they are interested in the project, they will invest or help you with the project operation, and they will earn later benefits.
4. Find the government. You can try the project incubation center of the local science park, because this patent has something to do with technology.