LG's Optimus 4X HD has a dual-core chip and Android 4.0.
There's no doubt that LG made a splash with its sexy and consolidated new smartphone lineup. Inside these cutting-edge handsets are coveted components such as Nvidia's Tegra 3 quad-core processor, HD displays, 3D capabilities, and even "phablet"-style functionality like arch-rival Samsung's Galaxy Note.
Take a virtual spin of LG's slick mobile devices to see what you make of these products. Then be sure to view our Mobile World Congress page for all the phone news rolling out of Barcelona this week.
Don't sweat it: How to pick the right fitness tracker
Hot for the holidays this year: activity trackers. They're wearable fitness devices you can pop on your wrist or drop in your pocket. But they do more than just count steps and calories. In this holiday gift guide, CNET's Sumi Das and Scott Stein explain how the various devices differ and pick the best fitness band for the money.