Windows 10 Mobile has been announced back in October, alongside Lumia 550, Lumia 950 and Lumia 950 XL handsets. Although the OS was expected to launch before the end of 2015, Microsoft had to postpone it for next year, and we still don't know when it will roll out.

Many carries have announced that they expect to push out Windows 10 Mobile at the end of this month. According to the company, update to Windows 10 Mobile is coming soon. As it was rumoured, 8 GB of internal memory is required and not every features will be available.