Strategy Analytics predicts global smartphone shipments will maintain downturn track and the volume will decline -3% YoY in 2019. However, we expect the market will come back starting from 2020 onwards. In 2020, we forecast global smartphone shipments will rebound to +2% YoY. Apple and Chinese vendors, including Huawei, OPPO, vivo, Transsion etc., as well as HMD (Nokia) and Google will be among the main vendors driving growth in 2020, with their 5G and 4G LTE products portfolios across multiple segments. This report forecasts global smartphone shipments by region by quarter for 29 of the world's largest vendors from 2015 to 2020. Global handset and feature phone shipment by vendor by quarter forecast data, as well as global grey phone by quarter forecast data are included in the report too. The report is a valuable tool for component makers, software developers, operators and other stakeholders to support their planning activities.