LG Optimus L4 II Tri E470 official Pictures. LG Optimus L4 II Tri E470 is a Smartphone of lg. The LG Optimus L4 II Tri E470 Android Smartphone. Announced Oct 2013. Features 3.8″ Display, MT6575 Chipset, 3.15 MP Primary Camera, 2150 MAh Battery, 4 GB Storage, 512 MB RAM. LG Optimus L4 II Tri E470 price starts.