Sony Ericsson Xperia X1 official Pictures. Sony Ericsson Xperia X1 is a Smartphone of sony. The Sony Ericsson Xperia X1 Windows Mobile Smartphone. Announced Feb 2008. Features 3.0″ Display, MSM7200 Chipset, 3.15 MP Primary Camera, 1500 MAh Battery, 256 MB RAM. Sony Ericsson Xperia X1 price starts.