Samsung's latest Windows Phone - perhaps best known by its codename, 'Mandel' - gets caught on camera, but it's still anyone's guess as to when the 4G LTE handset will be officially launched.
A week of Windows 10, holograms and Exploding Kittens on Mars
Office 2016 launching this year, touch apps coming soon
Microsoft reveals the next version of Windows 10
Introducing Windows 10 for phones
Hands on with HoloLens
Download: Windows 10 build 9926
Windows phone 7.5 refresh
Nokia confirms that the new Lumia 610, running Windows Phone 7.5 Refresh (the 'Tango' update), will go on sale next week in Asia, with plans to bring it to other regions before the end of June.
While Windows Phone 8 will be the next big OS release later this year, the 'Tango' update will arrive before then, and a Microsoft executive has now revealed the official name for the interim update.