Global smartphone shipments fell -11% YoY in Q3 2021. Supply constrains from chipset shortage and manufacture / logistics disruption hit the market. Samsung maintained the top spot but lost market share annually. Apple regained the second place but missed target for iPhone 13 series. Xiaomi fell to the third place, followed by OPPO and vivo. Transsion, Realme, Honor, Lenovo-Motorola, and Huawei are on the top ten list this quarter. Among major players, Transsion and Lenovo-Motorola led the pack with the higher annual growth rate this quarter. Our extensive report contains global smartphone shipments for the top 35+ vendors by quarter from 2007 to Q3 2021. 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 vender.