NIU Andy C5.5E2I official Pictures. NIU Andy C5.5E2I is a Smartphone of niu. The NIU Andy C5.5E2I Android Smartphone. Announced Dec 2015. Features 5.5″ Display, MT6582M Chipset, 8 MP Primary Camera, 1.3 MP Front Camera, 3000 MAh Battery, 4 GB Storage, 512 MB RAM. NIU Andy C5.5E2I price starts.