Windows 10 Mobile could arrive January 12 along with Lumia 850

Microsoft is preparing to make some Mobile related announcements on January 12. It seems what we have referred as Lumia 850 in leaks or the sole high-end mid-ranger till now may be launched on January 12. Microsoft may also plan to reveal plans or roll-out Windows 10 Mobile update to first batch of Windows Phone 8.1 devices.