The 3G version of Apple’s iPhone was the singled-out top-selling mobile device in 2009, according to a new study by Nielsenwire. Since Apple only makes one smartphone, the top ranking is impressive. But the company still falls behind Research In Motion and LG in overall market share.

Three RIM devices made the top 10, amounting to 6.3 percent of all phone usage from January through October, while four LG devices amounted to 6.4 percent of the market.

At number two on Nielsen’s list, the 8300 BlackBerry series, which includes the Curve and four other models, were the most popular RIM devices. The VX9100 topped LG’s stock. Other companies that made the list are Motorola, whose RAZR V3 series snagged third place, and Samsung, whose Rant series came in sixth.

In news that could boost both Apple and RIM sales, broadband phone company Vonage announced that week the release of VoIP applications that will allow low-cost long-distance calls

for users of both platforms. An unlimited calling plan costs $24.99 a month, with a $10-a-month reduction for existing Vonage customers.

Price Trumps Network Quality

For an insight into the iPhone’s growth, Roger Entner, Nielsen vice president for telecom research, recently studied responses from the firm’s monthly consumer surveys from 2006, before the iPhone was introduced, to the first quarter of 2009. He found that loyalty to a specific phone as one of the top reasons for selection did not substantially change during that duration.

“Even with the prominence of the iPhone, surprisingly the availability of a specific phone stayed flat as the seventh most critical factor,” Entner wrote on the company’s web site. Price, however, remained number one, and the availability of a family plan moved from number five to the third spot, even surpassing network quality, which had been the number-two reason.

Entner surmised that considering family plans…

Original post by dhiram