Celkon Millennia Hero official Pictures. Celkon Millennia Hero is a Smartphone of celkon. The Celkon Millennia Hero Android Smartphone. Announced Aug 2015. Features 4.0″ Display, 5 MP Primary Camera, 3.2 MP Front Camera, 1700 MAh Battery, 8 GB Storage, 1000 MB RAM. Celkon Millennia Hero price starts.