Smartphone shipments declined 4% annually in North America in the first quarter of 2017. Apple held its position as the largest smartphone vendor, while Samsung remained the No. 2 smartphone maker in the market. Apple's iOS showed positive growth. 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 Q1 2017. The report also contains historical data for North America from 2007 to Q1 2017.