That 12 January Windows 10
Mobile
improve was theoretical to appear before the Christmas holidays but then got pressed back to begin of 2016.
We still don't have an executive release date but tweets from the @Lumia
Help
Twitter
feed assure it's on the approach "soon".

Immediately the mobile OS is just obtainable on the Lumia
950
and Lumia
950
XL
handsets. A diversity of bugs and subjects have been reported that are
connected to software updates, which could be the cause Microsoft is holding back
on letting other users download it.
What you'll require
It's been an extended stay for Lumia users wedged with Windows
Phone
8.1 on their phones: the date
might or might not be precise; however it appears to fit with the executive
explanation that has come from Redmond until now. Among the alters
is a latest browser in the form of Microsoft Edge, an app we've
previously seen in the desktop version of Windows 10.
The previous we heard, you'll require a Lumia 430,
Lumia
435,
Lumia
532,
Lumia
535,
Lumia
540,
Lumia
640,
Lumia
640
XL,
Lumia
735,
Lumia
830
or Lumia
930
to succeed for a Windows 10 Mobile download. You also require a free 8GB
of internal memory and the Lumia Denim update.