HTC Advantage X7500 official Pictures. HTC Advantage X7500 is a Smartphone of htc. The HTC Advantage X7500 Windows Mobile Smartphone. Announced Feb 2007. Features 5.0″ Display, ATI Graphic Chip W2284 Chipset, 3.15 MP Primary Camera, 2200 MAh Battery, 8 GB Storage, 128 MB RAM. HTC Advantage X7500 price starts.