The P910i is Sony Ericsson’s third smartphone, and updates the earlier, and very well received, <a href="http://reviews.zdnet.co.uk/hardware/handhelds/0,39023880,39117838,00.htm">P900</a>. This itself was an advance on the company’s first offering in this area, the <a href="http://reviews.zdnet.co.uk/hardware/mobilephones/0,39023925,10002616,00.htm">P800</a>. The operating system for all these phones was Symbian’s OS7, overlain with the UIQ interface. Unlike other Symbian operating systems, this one supports a touch-sensitive display, which offers increased opportunities for, and flexibility with, interacting with software. This factor, and the large array of bundled software, helps Sony Ericsson characterise its Pxxx series as both a smartphone and a handheld.