Organizing an iPhone product schedule can clearly showcase the development history of the iPhone. From the release of the first generation iPhone in 1999 to the constantly updated series, each iPhone has made breakthroughs in technology and design. Through the schedule, we can understand the iteration pattern of iPhone and predict future development trends. At the same time, the schedule also facilitates consumers to understand the characteristics and release times of each iPhone, helping them make better choices when making purchases. In addition, for market analysts and researchers, the iPhone product schedule provides a window to observe Apple's strategic changes and industry trends. Overall, organizing an iPhone product schedule helps to gain a comprehensive and in-depth understanding of the development trajectory of the iPhone, providing valuable reference information for individuals and businesses. This is a mind map about the timeline of the iPhone. There are a total of 18 stages in the map, which are: December 1999, 2002, 2004, 2005, 2006, 2007, 2008, 2010, 2011, 2012, 2012, 2012, 2012, 2012, 2012, 2012, 2012, 2012, 2012, 2012, 2012, 2012, 2012, 2012, 2012, 2012, 2012, 2012, 2012, 2012, and 2020. Each link lists the corresponding product names. Suitable for people interested in iPhone.