Introduction
The O2 Cosmo, announced in September 2006, represents a snapshot of an era when smartphones were just beginning to blend advanced functionality with mobile communication. Released as part of the portfolio of devices combining the trusted O2 brand with technical expertise from HTC, it's a device that aimed to appeal particularly to business users and enthusiasts comfortable with the Windows Mobile ecosystem. This review explores every facet of the O2 Cosmo, from its design and build quality to its performance and connectivity features, offering insights into what made it both unique and ultimately discontinued.