Strategy Analytics tracked global smartphone shipments (sell in) fell -3% YoY in October 2020. However, sales volume improved +6% YoY. Samsung, Apple, Xiaomi, Huawei, Vivo and OPPO continue to battle for the top spots. This report tracks global smartphone monthly shipments (sell in), sales (sell through) and inventory volumes / ratio by 31 of the world's largest vendors from January 2016 to October 2020. The report is a valuable tool for OEMs, component makers, software developers, operators and other stakeholders to track key OEMs inventory level and support their planning activities.