page_title: Microsoft Lumia
section_title: Under Microsoft ownership
hierarchical_section_title: Microsoft Lumia / History / Under Microsoft ownership
caption_attribution_description: English: The back of a black Microsoft Lumia 535.
context_page_description: Microsoft Lumia is a discontinued line of mobile devices that was originally designed and marketed by Nokia and later by Microsoft Mobile. Introduced in November 2011, the line was the result of a long-term partnership between Nokia and Microsoft—as such, Lumia smartphones run on Microsoft software, the Windows Phone operating system; and later the newer Windows 10 Mobile. The Lumia name is derived from the partitive plural form of the Finnish word lumi, meaning "snow".
  On 3 September 2013, Microsoft announced its purchase of Nokia's mobile device business, with the deal closing on 25 April 2014. As a result, the Lumia line's maintenance was transferred to Microsoft Mobile. As part of the transition, Microsoft continued to use the Nokia brand on Lumia devices until October 2014, when it began to officially phase out the Nokia name in its promotion and production of smartphones in favor of Microsoft branding. In November 2014, Microsoft announced the first Microsoft branded Lumia device, the Lumia 535. In October 2015, Microsoft announced the first Lumia devices running on Windows 10 Mobile, the Lumia 950, Lumia 950 XL and Lumia 550.
context_section_description: Even after the acquisition of Nokia's mobile device business by Microsoft, several Lumia devices were unveiled by Microsoft Mobile in September 2014 that still carried the Nokia name, including the Lumia 830 and Lumia 735. In July 2014, it had been reported by evleaks that Microsoft was attempting to license the Nokia name in a co-branding scheme, which would have possibly seen future devices branded as "Nokia by Microsoft". As a part of the change of ownership, the social network pages have also been rebranded as Microsoft Lumia rather than Microsoft Mobile; this sought to emphasize the Windows Phone over other Nokia mobile phones while also updating social network pages of Windows Phone to the new Microsoft Lumia branding. To reflect this change, Nokia Conversations was also rebranded as Lumia Conversations, and NokNok.tv to Lumia Conversations UK. However, the rebranding has not been consistent, as the Nokia Army was renamed the Spartan Nation and the support site for legacy phones, accessories, various Nokia-branded devices, and services, originally Nokia Discussions, was renamed the Microsoft Mobile Community. The Lumia Beamer was the last Lumia-branded application to have its URL changed from Nokia to Lumia, signifying the end of the transitional term during which Microsoft was allowed to use Nokia.com and related sites.
  However, in October 2014, Microsoft officially announced that it would phase out the Nokia brand in its promotion and production of Lumia smartphones, and that future Lumia models would be branded solely with the name and logo of Microsoft. In November 2014, Microsoft announced its first self-branded phone, Microsoft Lumia 535. Rebranding the Lumia line did not affect sales, though some critics believed that it might negatively influence consumers' decisions due to Nokia's established reputation for durability compared to the relative infancy of Microsoft's brand in the consumer phone space. The Nokia Lumia 638 was the last Lumia product to bear the Nokia brand, and was only released in India in December 2014.
  In November 2014, a post by a Microsoft Twitter account stated that all Nokia and Microsoft Lumia smartphones running Windows Phone 8 and 8.1 would receive updates to Windows 10; however, following the official unveiling, Microsoft denied this, stating that they instead were targeting the "majority" of Lumia phones and that not all phones would receive the update or support all of its features. Later, Microsoft confirmed that low-end devices with 512 MB of RAM (including the Nokia Lumia 520, which represents 24.5% of all Windows Phone devices sold), would also get the Windows 10 upgrade, but reaffirmed that not all of its features would be supported on these devices. Additionally, Microsoft stated on January 16, 2015 that low-end Windows Phone 8.1 phones will not get some Lumia Denim features.
  In July 2015, Bloomberg reported that Microsoft had a planned restructuring of Microsoft Mobile, which includes the Microsoft Lumia range. This would reportedly include a write down of approximately US$7.6 billion on the acquisition of Nokia's mobile phone business and a layoff of around 7,200 employees. It was also reported that Microsoft would release fewer first-party devices each year. As part of a larger restructuring, the Microsoft Devices & Studios engineering group was merged with the Operating Systems Engineering Group to form the larger Windows & Devices Engineering Group. In July 2015, it was announced that the head of Surface, Panos Panay, would head the new Microsoft devices unit, which would include the Microsoft Lumia as well as various other Microsoft hardware products such as the Band, HoloLens, and Xbox.
  In October 2015, Microsoft launched the first Lumia devices running on Windows 10 Mobile: the Lumia 950, Lumia 950 XL and Lumia 550. In February 2016, the Lumia 650, which also runs Windows 10 Mobile, was launched. Sales of Lumia devices declined between fiscal years 2015 and 2016, with phone revenue decreasing by $4.2 billion or 56%. When Microsoft announced the acquisition in Septemb
caption: Microsoft Lumia 535, the first Microsoft branded Lumia device
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