When will the old Lumia phones are updated Windows 10 Mobile?

Lumia smartphones leading duo debuted and of course it runs on Windows 10 Mobile. What about the equipment on display, using the stars, when the new Microsoft operating system updates?

Latest information from the official account Microsoft Lumia accounts revealed, the Lumia smartphones will be updated in December new ground here. This account also said Lumia 950 and Lumia duo XL 950 will hit store shelves in the coming months.

More specifically, account Lumia Microsoft said in a comment (see above) at his Facebook page. Accordingly Lumia 640 and Lumia duo XL 640 will be new operating system update in December next. If so, usually the other Lumia devices will also receive updates during that time. Let's wait patiently.