If you're in the US, and are planning to purchase the Lumia 950, here is some good news: Microsoft is currently selling the AT&T variant of the Windows 10 device at discounted rates in the country. A quick look at the Microsoft Store website reveals that the handset is being offered for $549.00, which is $49.99 less than its regular price of $598.99. The Redmond, Washington-based company says that it's a limited time offer, although there's no word on when it will end. In case you are waiting for the Windows 10 Mobile update for your older Lumia device, and aren't aware, Microsoft has already announced that the update will only start rolling out "early next...
Source: http://www.gsmarena.com/microsoft_offering_50_discount_on_at_t_lumia_950-news-15631.php
