LG C900 Optimus 7Q official Pictures. LG C900 Optimus 7Q is a Smartphone of lg. The LG C900 Optimus 7Q Windows Mobile Smartphone. Announced Oct 2010. Features 3.5″ Display, Snapdragon S1 Chipset, 5 MP Primary Camera, 1500 MAh Battery, 16 GB Storage, 512 MB RAM, Corning Gorilla Glass. LG C900 Optimus 7Q price starts.