Prestigio MultiPhone 8500 Duo official Pictures. Prestigio MultiPhone 8500 Duo is a Smartphone of prestigio. The Prestigio MultiPhone 8500 Duo Windows Mobile Smartphone. Announced Jul 2014. Features 5.0″ Display, Snapdragon 200 Chipset, 8 MP Primary Camera, 2 MP Front Camera, 2000 MAh Battery, 8 GB Storage, 1000 MB RAM, Corning Gorilla Glass. Prestigio MultiPhone 8500 Duo price starts.