The first “XDA” did much to establish the market for smart phones in the UK, and the latest version, sold as the MDAIII on T-Mobile (and the XDA II on O2) follows the same formula: a full-sized PDA (personal digital assistant) screen; the Windows Mobile Pocket PC operating system; support for GPRS; and buttons on the device for the main Windows functions as well as to make calls.
Tools of the Trade: The T-Mobile MDAIII smart phone
