Nokia Lumia 2520 has been officially launched. The Windows RT tablet from Nokia has been leaked before, and has since been much awaited for a long time. But now Nokia has made it clear that they are in the tablet market and are aiming to make the device more mobile than other tablets have been. The 10.1 tablet, running on Windows RT is powered by the Qualcomm Snapdragon 800 – MSM8974 chipset which provides the LTE functionality as well as blazing fast Quad Core performance for the Lumia 2520.