Stuffing the channel? I don't hear stories about huge write downs. If anything Nokia was supply constrained most of the year on most models.
The number sold isn't that small. That's the point, the number sold is larger than BlackBerry at its height.
They are making progress - but 8.8 million windows phone sales is not "larger than Blackberry at its height". http://www.theverge.com/2013/10/29/5041666/nokia-lumia-sales-q3-2013 Blackberry's top was http://aaplinvestors.net/stats/iphone/bbvsiphone/ . Revenue wise - ASP is falling for lumia and is well below what Blackberry was dosing. Lumia is making headway against the low end android market.