The "unlocked" smartphone market has been growing rapidly across the United States in recent years. It posted a +28% YoY growth during Q3 2017 mainly thanks to newly launched products from Motorola, Blu, and Samsung etc. Motorola surpassed Blu and topped the chart for the first time ever, mainly thanks to the healthy demand of newly launched Moto E4 series across Amazon, BestBuy and other retailers. Blu yield to the second place. Samsung, Apple, TCL-Alcatel and LG are also among the major players in this category. Our extensive report contains quarterly unlocked smartphone shipments and marketshare for the top 15 vendors in the United States from 2013 through Q3 2017. Q4 2017 by vendor forecast numbers are included. The report also contains US unlocked smartphone forecasts, as well as unlocked iPhone forecasts from 2012 through 2022. This report is a valuable tool for mobile stakeholders who want to size the fast-growing, high-value unlocked smartphone market in US.