Amazon France is taking pre-order of Lumia 550 for 129.90 Euro - Nokiapoweruser
Microsoft Lumia 550 review: One step forward, many steps back - MSPoweruser
Microsoft Lumia 550 Review - YouTube
Microsoft Lumia 950 review: Not a flagship, but a first step | Engadget
Microsoft Lumia 550 review: Low-Five - GSMArena.com tests
Microsoft Lumia 550 review: Microsoft announces entry-level Lumia 550 smartphone for $139 (hands-on) - CNET
Microsoft brings Windows 10 to budget-priced Lumia 550 - CNET
Microsoft Lumia 550 review: The latest entry-level Lumia brings some good with the bad | Windows Central
Microsoft Lumia 550 review - The affordable Windows 10 Mobile smartphone | Digital Citizen
Microsoft Lumia 550 - Notebookcheck.net External Reviews
The Microsoft Lumia 550 Review: Windows 10 Mobile Experience
Amazon.com: Microsoft Lumia 550 RM-1127 8GB (GSM Only, No CDMA) Factory Unlocked 4G/LTE - International Version No Warranty (Black) : Cell Phones & Accessories
Lumia 550 revealed in leak with Microsoft's flagship Windows phones - The Verge
Microsoft Lumia 550 review: Low-Five: Camera and video quality