"Mystery of the cell phone": if the content of the popular science drama is to introduce about why the cell phone can realize the remote call, big data collection and other functions of the type of problem, you can name the "mystery of the cell phone", not only to fit the content, but also for the content of the science drama to add a mysterious color.

"A Brief History of the Cell Phone": If the content of the popular science drama is to introduce the development of the cell phone, you can name it "A Brief History of the Cell Phone", which directly illustrates the theme of the popular science drama, and also reflects the professionalism.