Microsoft will upgrade every Lumia device to Windows 10
Microsoft today revealed that every Lumia smartphone running Windows Phone 8 will be upgraded to the mobile version of Windows 10. The company tweeted "we plan to upgrade all Windows Phone 8 devices to Windows 10 in the future", answering a customer's question on the matter.
@Kalars07 We plan to upgrade all Windows Phone 8 devices to Windows 10 in the future 🙂
— Lumia (@lumia) November 13, 2014
When Windows Phone 8 was first released, Microsoft revealed that Windows Phone 7 devices would not be upgradable due to significant software changes in the mobile operating system.