LG Electronics has sold 10 million units of their L-Series smartphones. The company premiered the L-Series at the MWC conference in February 2012. The sales include the Optimus L9, Optimus L7, Optimus L5, and Optimus L3. All of these devices are running on Android and each have their own unique specs. The L9 has a 1 GHz dual core processor, up to 4GB internal memory, 5-megapixel rear-facing camera with LED flash, 4.5-inch qHD Corning Gorilla Glass 2 display, 960×540 pixels, 1080p HD recording, and 4G connectivity. The L7 has a 1GHz Cortex A5 processor, 5-megapixel camera, 4gB storage, 512MB RAM, 480×800 pixels, a 4.3-inch display screen, and Android Ice Cream Sandwich 4.0. The L5 has a 4-inch screen, 320×480 HVGA display, 5-megapixel camera, and Android Ice Cream Sandwich 4.0. The L3 has a 3.2-inch screen, 240×320 QVGA screen, 3-megapixel camera, and runs on Android Gingerbread 2.3.