LG Optimus F3 official Pictures. LG Optimus F3 is a Smartphone of lg. The LG Optimus F3 Android Smartphone. Announced Jun 2013. Features 4.0″ Display, Snapdragon 400 Chipset, 5 MP Primary Camera, 2460 MAh Battery, 4 GB Storage, 1000 MB RAM, Corning Gorilla Glass 2. LG Optimus F3 price starts.