Announcement of Samsung Galaxy S IV - March 15?

We have already mentioned that the announcement of the new flagship smartphone Samsung Galaxy S IV will not at MWC 2013 in late February, and later - in March. Previously it was assumed that the announcement will take place at a special Samsung Unpacked event on March 22. Now, however, new information: Resource Sam Mobile with reference to a reliable insider source said that the Samsung Galaxy S IV will be presented on March 15. Sales of the device to start in the beginning of April, and, at first - in Western Europe, then - in Asia (by the end of April). In North America, Australia and Africa novelty is supposed to appear in May and June. However, official information on this yet. Recall, according to preliminary data, Samsung Galaxy S IV is built on a quad-core processor and OS Android Jelly Bean, and is equipped with 4.99-inch touchscreen AMOLED-display with a resolution of 1920x1080 pixels.