Microsoft´s Lumia 550 runs on Windows 10, with signature Microsoft Apps and services such as Microsoft Office, Cortana, OneDrive, Outlook Mail and Outlook Calendar and Skype. The device connects using 4G LTE reaching download speeds of up to 150 Mbps and uploads of up to 50 Mbps.
The Lumia 550's 4.7” LCD display is protected by Gorilla Glass 3. You can choose between matte black or glossy white color.
Microsoft's new phone features a 5MP rear-facing camera supported by a single LED flash and a front camera with 2 megapixels. It is capable of taking 720p videos at 30 FPS and supports continuous autofocus.
Bonus new and functional Microsoft apps
Microsoft Edge is also present replacing the old Explorer as the default browser. The Lumia 550 also offers Microsoft´s Cortana voice assistant which help to search information, launch apps or get reminders for appointments.
|Specifications: Lumia 550|
|Operating system||Windows 10|
|Display||4.7” HD (16:9, 1280×720, 315 ppi) with Glance|
|Battery||Removable 2100 mAh battery|
|Processor||Qualcomm® Snapdragon™ 210 (MSM8909
1.1 GHz quad core processor
|Main camera||5 MP AF f/2.4, 720p @ 30 fps video
Flash: single LED
|Front facing camera||2 MP|
|Memory||1 GB RAM, 8 GB internal mass memory + up to 200 GB Micro SD|
|Dimensions||136.1 x 67.8 x 9.9 mm
 Battery has limited recharge cycles and battery capacity reduces over time. Eventually the battery may need to be replaced.
 Pre-installed software and apps use a significant amount of the internal memory space. See www.microsoft.com/mobile/lumia-storage/ for more details.
 Memory card sold separately.
Source: Windows Blog