Global smartphone shipments fell -3% YoY in Q4 2021. Supply constrains and the mixed consumer spending both impacted the market. Apple regained the top spot thanks to the healthy demand of iPhone 13 lineup. Samsung ranked the second place with a solid holiday quarter. Xiaomi took 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, Lenovo-Motorola and Realme 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 Q4 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.