LG Optimus LTE Tag official Pictures. LG Optimus LTE Tag is a Smartphone of lg. The LG Optimus LTE Tag Android Smartphone. Announced Feb 2012. Features 4.3″ Display, 5 MP Primary Camera, 1.3 MP Front Camera, 1700 MAh Battery, 16 GB Storage, 1000 MB RAM. LG Optimus LTE Tag price starts.