Prestigio MultiPhone 5400 Duo official Pictures. Prestigio MultiPhone 5400 Duo is a Smartphone of prestigio. The Prestigio MultiPhone 5400 Duo Android Smartphone. Announced 2013. Features 4.0″ Display, 8 MP Primary Camera, 1700 MAh Battery, 4 GB Storage, 512 MB RAM. Prestigio MultiPhone 5400 Duo price starts.