Apple will announce its quarterly earnings on July 19. Analysts are announcing their sales estimates for the big apple machine. Apple 2.0 compiled projections which range from a high of 20.25 million from Traderhood down to a low of 15 million from Needham. The average estimate sits at 16.9 million units, a 101% year-over-year increase and a slight drop from the 18.6 million sold last quarter. In four years of iPhone sales, estimates are averaging the Apple has sold over 125 million handsets.