Apple analyst Gene Munster predicts 15% growth in iPhone revenue in FY25 and 17% in FY26.Munster's estimate is based on the belief that 8% of the iPhone installed base will upgrade early in FY25, and 14% in FY26.However, Munster expects a 5% decline in iPhone demand in FY27 and FY28.The introduction of innovative iPhone models could potentially improve sales beyond Munster's projections.