LG Optimus 3D P920 official Pictures. LG Optimus 3D P920 is a Smartphone of lg. The LG Optimus 3D P920 Android Smartphone. Announced Jan 2011. Features 4.3″ Display, TI OMAP 4430 Chipset, Dual: 5 MP Primary Camera, 1500 MAh Battery, 8 GB Storage, 512 MB RAM, Corning Gorilla Glass. LG Optimus 3D P920 price starts.