Posh Pegasus 4G S400 official Pictures. Posh Pegasus 4G S400 is a Smartphone of posh. The Posh Pegasus 4G S400 Android Smartphone. Announced May 2014. Features 4.0″ Display, MT6572M Chipset, 5 MP Primary Camera, 1.3 MP Front Camera, 1450 MAh Battery, 4 GB Storage, 512 MB RAM. Posh Pegasus 4G S400 price starts.