Global smartphone shipments grew +6% annually in Q1 2017. Samsung retook top spot and ranked the largest vendor in all regions except North America and Asia Pacific. Apple slipped to the second place but remained the largest vendor in North America. Huawei solidified third position and made big progress in West Europe, but saw intensified competition from localized Chinese vendors in Asia and Africa. OPPO maintained the fourth place, as it outperformed in China and Asia. vivo maintained fifth spot for three quarters in a row. Our extensive report contains global smartphone shipments for the top 37 vendors by quarter from 2007 to Q1 2017. Global smartphone shipments by vendor by operating system by region by quarter are also included, in a pivot table. The report is a valuable tool for mobile stakeholders who want to size the huge market for smartphones and operating systems by vendor.