APAC has led the world in the growth of smartphone and overall mobile sales in the third quarter of this year, according to the latest Gartner report.Worldwide mobile phone sales to end-users totalled 455.6 million units in the third quarter, and increase of 5.7 per cent from the same period last.Read our Guide to Using your Android PhoneSales of smartphones accounted for 55 per cent of overall mobile phone sales and reached their highest share to date.Worldwide smartphone sales to end users reached 250.2 million units, 25.8 per cent from the previous year.However, the APAC region led the growth in both markets -- the smartphone segment with a 77.3 per cent increase and the mobile phone segment with 11.9 per cent growth.Other regions to show an increase in the overall mobile phone market were Western Europe, which returned to growth for the first time this year, a