The worldwide smartphone market saw record sales in the quarter, with growth of 38.8 per cent from a year ago and 258.4 million units sold, the IDC survey said.
The South Korean electronics giant Samsung widened its lead, shipping 81.2 million smartphones, boosting its market share by nearly half a percentage point to 31.4 per cent.
Apple sold 33.8 million iPhones in the quarter, but its growth was slower than the overall market, so its share slipped to 13.1 per cent from 14.4 per cent a year ago.
South Korea's LG slipped from third to fifth place, with a 4.6 per cent share, despite sales growth of 71 per cent.
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"Beyond Samsung and Apple at the top of the rankings is a tight race of vendors trying to break out from the pack," said IDC analyst Ramon Llamas
"Chinese vendors Huawei and Lenovo moved past LG, and not far behind are two more Chinese companies, Coolpad and ZTE."
Llamas said the smartphone market is still growing at a solid pace and expects annual sales of one billion units in 2014.
The overall mobile phone market grew 5.7 per cent from a year ago to 467.9 million units, with Samsung on top with a 24.7 per cent market share, IDC said.