Smartphone shipments improved 5% annually in North America for full year 2016. Apple held its position as the largest smartphone vendor, while Samsung remained the No. 2 smartphone maker in the market. Apple's iOS had a strong quarter. This report contains quarterly smartphone shipments and marketshare for the top 20 vendors and top 5 operating systems in the United States and Canada for Q4 2016. The report also contains historical data for North America from 2007 to Q4 2016.