Prestigio MultiPhone 5450 Duo official Pictures. Prestigio MultiPhone 5450 Duo is a Smartphone of prestigio. The Prestigio MultiPhone 5450 Duo Android Smartphone. Announced Q1 2014. Features 4.5″ Display, 5 MP Primary Camera, 1500 MAh Battery, 4 GB Storage, 512 MB RAM. Prestigio MultiPhone 5450 Duo price starts.