In this paper, we will discuss different brands of iPhone of different market share, the relationships between iPhone's Big Data, market share [8] and their usage. We will have a look at their market share statistics, difference and comparison in graphs and tables mainly in HuaWei, Apple and Samsung [9]. Huawei is the first time to go ahead of Apple. We will also find that more and more people use iPhone nowadays because of its convenience. iPhone like our friends and assistant, we can use it anytime, anywhere and for many purposes. Research will be focused on how the iPhone changed the people's traditional behaviors such as sending emails, taking pictures, playing games, accessing the internet...etc, and inspire how the future iPhone can be developed by producers and used by people. Results and analysis of this study would be useful and could be extended for other kinds of data analysis, models, businesses used and commercial areas.