Yesterday, Microsoft announced Windows 10 Mobile and the first devices to be powered by it. Before now, Microsoft had a$$ured users that specific existing Lumia smartphones would be updated with the new software.
The company has confirmed that “broad availability of Windows 10 on other devices, including mobile phones, will begin rolling out in December”.
The following is a first list of Lumia smartphones that that have been confirmed to receive the free upgrade from December:
Lumia 430, Lumia 435, Lumia 532, Lumia 535, Lumia 540, Lumia 635 (1 GB RAM), Lumia 640, Lumia 640 XL, Lumia 735, Lumia 830, and Lumia 930.
Microsoft also say that they are working on bringing the update to other devices besides this initial set. Devices with a minimum of 8GB internal storage are the only ones qualified for the update.
Source: mobilityarena