Microsoft: all Lumias running Windows Phone 8 will be updated to Windows 1086
While Windows 10 won’t be out before mid (or late) 2015, Microsoft can already confirm that all current Lumia devices running Windows Phone 8 / 8.1 will be updated to the new version of the OS. This means that even ultra-cheap smartphones like the Lumia 520 and Lumia 530 will run Microsoft’s latest OS next year, which is pretty cool.
The Windows 10 for phones was already in testing - with the Lumia 940 possibly being among the first handsets to run the OS (although, of course, at the moment we can’t confirm the existence of the 940).
We assume that most non-Lumia Windows Phone 8 handsets will also be updated to Windows 10. But that remains to be seen.
Windows 10 is a platform that will unify all Microsoft devices - PCs, laptops, tablets, smartphones, and even wearables. While it will look slightly different, depending on device type, it will be the same OS at its core.