The newest data from research firm Gartner shows that Apple's share of global smartphone market more than double on a year-over-year basis during the first quarter of the year --grew from 5.3 percent to 10.8 percent and (in term of unit sales) jumped from 1.7 million to 3.9 million.

While the quarter's iPhone achievement may be impressive, but they should hard working to catching up Nokia (despite the Finnish phone maker's market share drops almost 4 percent, from 45.1 percent to 41.2 percent, but Nokia remains the world's No. 1 smartphone maker) and BlackBerry maker Research In Motion (rises from 13.3 percent to 19.9 percent).

Global mobile phone sales totaled 269.1 million units in 1Q of 2009, a 9.4 percent decrease; while smartphone sales surpassed 36.4 million units, a 12.7 percent increase from the same period last year.

[via CNET]