Core Viewpoint - The upcoming iPhone 17 is expected to break the record for the longest sales period of a flagship iPhone model, surpassing the previous record held by the iPhone 4, which lasted approximately 15.7 months [4][5][8]. Summary by Sections iPhone 17 Release and Sales Record - iPhone 17 is anticipated to be released in September 2025 and is projected to be sold for about 18 months until the iPhone 18 is expected to launch in Spring 2027 [6][8]. - The current record for the longest sales duration is held by the iPhone 4, which was sold for approximately 15.7 months from June 2010 to October 2011 [5][6]. Historical Context of iPhone Sales Durations - No iPhone has surpassed the 15-month sales duration since the iPhone 4, with the closest being the iPhone 11 Pro, which lasted about 13.1 months [5][6]. - The iPhone 12's release was delayed due to the pandemic, resulting in a shorter sales cycle of only 11 months before the iPhone 13 was launched [9]. Comparison of Sales Durations - A table comparing various iPhone models shows their release dates, replacement models, and sales durations, highlighting the iPhone 17's potential to set a new record [6]. - The iPhone X had the shortest sales duration among flagship models, lasting only 10 months before being replaced by the iPhone XS [10]. Future Implications - The introduction of the Pro series and potential foldable iPhones may influence consumer behavior and sales strategies, but the iPhone 17 is still expected to achieve the longest sales period for a standard flagship model [8].