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.