Xiaomi promised a wave of ads to celebrate its fifth anniversary. The Chinese firm has introduced its latest Smart TV to date, the Mi TV 2 with a 4K 55-inch screen. As always with the brand, a device has very low price considering its features.  Big day for ad Xiaomi, which has not only formalized its cheapest smartphone to date. The Chinese firm, which already has two television screens stamped Mi TV 2, comes from a third official. Like its other products, it displays a value on the beat paper.  In addition to screen 40 inch Full HD and a slab of 49 inches 4K, so here is a Mi