Global smartphone industry revenues grew +4% annually during Q1 2017. Android maintained top position as the largest OS by revenue, followed by iOS. Microsoft and other platforms made no profit at all. Tizen posted another disappointing quarter. Samsung led the pack among all Android OEMs by volume, value and profit. Our extensive report provides quarterly global smartphone shipments, wholesale (transfer) pricing, revenue metrics, as well as operating profit and margin for 8 major operating systems from Q1 2013 to Q1 2017. Global smartphone OS marketshare by price-tier, and global revenue-share tracking by PRICE-TIER, for all 8 operating systems, as well as Android OS volume and value share by OEM are also included. This report is a vital tool for monitoring the financial health and tiered marketshare of leading OSs such as Android, iOS, Windows, BlackBerry, Firefox, Tizen, Sailfish, Ubuntu and others. It can be used to monitor OEM volume and value share within Android camp.