LG announced its new premium flagship smartphone, the Optimus G that is the first quad-core smartphone with LTE capabilities. Powered by Qualcomm’s SnapDragon S4 Pro quad-core 1.5GHz processor and 2GB of RAM, the phone supports LG’s unique User Experience (UX). It has a elegant and sleek design and a Crystal Reflection finish on the back for a luxurious look and feel. LG said that the Crystal Reflection will gives back cover the ability to display different patterns depending on the viewing angle and lighting. To provide true multitasking, the Optimus G features the QSlide

In addition to WiMAX network, Sprint is also joining the party of LTE and the carrier is going to release the LG Viper 4G LTE smartphone. Powered a 1.2GHz dual-core processor, the phone runs Android 2.3. It features a 4-inch WVGA NOVA touchscreen, a 5 Megapixel main camera, and a  VGA front-facing camera. The Viper is a Sprint ID smartphone, allowing users to through the clutter of more than 400,000 apps in Android Market by selecting from a variety of mobile ID packs featuring apps, ringers, wallpapers, widgets and more. The Viper 4G LTE works on Sprint’s LTE mobile network.

If you look at LG’s line-up for the MWC 2012, each phone has its own selling point, 3D, NFC, and quad-core. What LG’s Optimus Vu is selling is probably its large 5-inch display that comes in 4:3 aspect ratio, unlike most touchscreen smartphones. The 4:3 5-inch display offers a tablet-like viewing, making makes viewing documents, books, internet and multimedia contents easier and more comfortable. The screen is based on IPS LCD and has 1024×768 resolution. The Optimus Vu is powered by a dual-core 1.5GHz processor with 1GB of RAM. It comes with 32GB internal memory. Measuring

The LG Revolution is the Korean company’s first LTE 4G phone for Verizon Wireless. The Revolution has almost identical specs as HTC’s Thunderbolt, featuring 4.3-inch 480×800 touchscreen, a 1.3 Megapixel front camera, WiFi 802.11b/g/n connectivity, and GPS/aGPS support. As a LTE 4G phone, it supports download speeds of  5 to 12 Mbps and upload speeds of 2 to 5 Mbps in 4G Mobile Broadband coverage area. The LG Revolution gets a 5 Megapixel camera with auto focus, LED flash and 720p HD video recording; and Bluetooth 3.0. The phone is powered by 1GHz processor and comes with