Global smartphone industry trade revenues rose +42% annually during the first quarter of 2012. Apple dominates the premium category of smartphones, while Samsung is forging ahead to develop a lead in the entry-tier segment. Apple's success in the premium segment has been driven by a premium iPhone hardware design supported by premium pricing, premium sub-branding and premium retail self-distribution. This published report, available to download by clients of our Wireless Smartphone Strategies (WSS) service, provides quarterly global smartphone shipment, ASP, and revenue metrics for nine major vendors, including Apple, from Q1 2011 to Q1 2012. Global smartphone vendor marketshare by price-tier, and global revenue-share tracking by price-tier, for all nine vendors are also included. The report is a valuable tool for monitoring the financial health of leading brands such as Nokia, HTC, RIM, Samsung, Apple and others.