According to analyst estimates, Apple Inc. (NASDAQ:AAPL) sold around 55.3 million iPhones in Q4 of last year. Apple is going to report their Q4 results on January 27th. The range is believed to be somewhere between 50 and 59.73 million. In Q1 2013, Apple sold 47.8 million iPhones. These unit sales will include the unit sales of the iPhone 5s and iPhone 5c, which was introduced last September.