Celkon A407 official Pictures. Celkon A407 is a Smartphone of celkon. The Celkon A407 Android Smartphone. Announced May 2015. Features 4.0″ Display, RDA 8810P Chipset, 2 MP Primary Camera, 1.3 MP Front Camera, 1400 MAh Battery, 512 MB Storage, 256 MB RAM. Celkon A407 price starts.