The Mio 8390 from Mitac is a clamshell-style SIM-free smartphone powered by Windows Mobile 2003 for Smartphones. Mitac must be hoping to take some custom from similar phones that are subsidised by network operators, but it faces an uphill struggle against, for example, Motorola’s <a href="http://reviews.zdnet.co.uk/hardware/mobilephones/0,39023925,39118603,00.htm">MPx200</a>, which can be obtained at varying prices -- including for free -- on contract from Orange.