Posh Icon HD X551 official Pictures. Posh Icon HD X551 is a Smartphone of posh. The Posh Icon HD X551 Android Smartphone. Announced Nov 2015. Features 5.5″ Display, MT6580A Chipset, 8 MP Primary Camera, 2 MP Front Camera, 2100 MAh Battery, 16 GB Storage, 1000 MB RAM. Posh Icon HD X551 price starts.