Microsoft announced the Lumia 950 and 950 XL flagship pair and just as we though the devices event was moving from the Lumias towards the Surface, a Lumia 550 was briefly mentioned. An entire ten seconds of the spotlight were enough to announce the affordable smartphone will be available in December for $139. The list of specs starts with a 4.7-inch AMOLED display of a 720p resolution, which seems to be the best part on paper. Computing power comes from a Snapdragon 210 chipset with a quad-core 1.2GHz processor and 1GB of RAM. Storage is a rather limiting 8GB. There's a 5MP/2MP camera combo and full LTE support, courtesy of Qualcomm's chip. The Lumia 550 will be available in a variety of colors for its detachable polycarbonate back cover, a staple of the lower end...
Source: http://www.gsmarena.com/microsoft_lumia_550_announced_in_10s_will_cost_139-news-14341.php