O2 XDA Mini S official Pictures. O2 XDA Mini S is a Smartphone of o2. The O2 XDA Mini S Windows Mobile Smartphone. Announced Q3 2005. Features 2.8″ Display, TI OMAP 850 Chipset, 1.3 MP Primary Camera, 1200 MAh Battery, 64 MB RAM. O2 XDA Mini S price starts.