Celkon Q500 Millennium Ultra official Pictures. Celkon Q500 Millennium Ultra is a Smartphone of celkon. The Celkon Q500 Millennium Ultra Android Smartphone. Announced 2014. Features 5.0″ Display, Broadcom BCM23550 Chipset, 8 MP Primary Camera, 2 MP Front Camera, 2500 MAh Battery, 16 GB Storage, 2 GB RAM. Celkon Q500 Millennium Ultra price starts.