The "unlocked" smartphone market has been growing rapidly across the United States in recent years. Unlocked smartphone shipments grew an impressive +65% YoY in the US during Q2 2016, far above the overall growth rate of -1%. BLU, Apple, Samsung, LG, Motorola and TCL-Alcatel are among the major players in this category. Our extensive report contains quarterly unlocked smartphone shipments and marketshare for the top 14 vendors in the United States from 2013 through Q2 2016. The report also contains US unlocked smartphone 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.