Strategy Analytics tracked global smartphone shipments (sell in) went down -3% annually in July 2021 because of the weak performance on Asia Pacific region due to COVID-19 second wave outbreak, as well as the pent-up demand happened same time last year. Sales volume also declined -6% YoY. Samsung maintained the top position, followed by Xiaomi, Apple, OPPO and Vivo etc. This report tracks global smartphone monthly shipments (sell in), sales (sell through) and inventory changes by 32 of the world's largest vendors from January 2016 to July 2021. 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.