Munster thinks the company can accelerate iPhone sales to 34% unit growth in calendar 2014 from 25% in 2013, driven in part by a cheaper iPhone offering.

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For the 2013 calendar year, he raises his unit forecast to 180 million from 163 million.

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Look behind the numbers: In the fourth quarter of calendar 1998, Dell's sequential growth, or the percentage increase in unit sales from the third quarter, was 12.6%, according to market-research firm International Data Corp.

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This is true for mainstays such as the address book, alarm clock, calendar, phone and SMS apps, but also extends to unique offerings like a unit converter, file manager, tip calculator and voice recorder.

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