The Lumia devices were well known for their colorful back covers. With the new Lumias, the Lumia 950 (XL) and the Lumia 550, Microsoft changed the design language and cancelled the colorful covers. The new phones are only available in two colors which are black and white. Nevertheless many people, including me, are missing the old variety of colors. Owners of a Lumia 550 can be happy because Mozo, who is the official producer for covers and cases for Lumias is now selling colorful back covers for the Lumia 550. The cover is available in bright blue, happy green and orange.