IPhone sales are falling. Apple iPhone revenue fell 15% in the last quarter of 2018. A sharp drop in the product line, which has been unprofitable over the years. Tim Cook attributed a decline to a number of factors, including a reduction in exchange rates, popular battery replacement programs and a reduction in operator subsidies for smartphones. Cook also observed "heavier" macroeconomic conditions in China. However, Apple's positive point is that its services, such as Apple Music and Apple Pay, increased by 19% to almost $ 11,000 million.