Prestigio MultiPhone 5451 Duo official Pictures. Prestigio MultiPhone 5451 Duo is a Smartphone of prestigio. The Prestigio MultiPhone 5451 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 5451 Duo price starts.