The first thing you can do while writing your research paper cell phones is to consider segmentation of the market of mobile phones and describe each type of it:
Do not forget to tell in your research paper cell phones about phones of middle class which are distinguished by wide functionality:
You may describe models of phone which are popular among young people:
You can write in your research paper cell phones about criteria people have while buying the phone:
Strangely enough, the second and third points directly depend on the cost…
There is the separate category of devices for businessmen:
There is a special group of mobile phones - smartphones:
It is advisable to give some data on public researches while writing the main part of your research paper cell phones:
Also, you need to express your own opinion about cell phones in research paper cell phones