"Pent up demand in China and the launch of the iPhone in 30 additional markets is likely to drive strong sales in the current quarter ," explained BTIG's Piecyk. The analyst expects Apple to sell 33 million iPhones in second quarter, but expects that number to dip to 27.5 million phones sold in the third quarter. The Cupertino, Calif.-based firm is expected to report its fiscal second-quarter results on April 24. -- Written by James Rogers in New York. >To follow the writer on Twitter, go to http://twitter.com/jamesjrogers. >To submit a news tip, send an email to: firstname.lastname@example.org. Check out our new tech blog, Tech Trends. Follow TheStreet Tech on your wireless devices.