The AT&T Lumia 640 XL is back in stock at the Microsoft Store – get it while you can December 10, 2016 by admin Tweet After a roller coaster week of being in-stock, out of stock, in-stock, and out of stock again, the AT&T variant of the Lumia 640 XL is back in stock at the online Microsoft Store for the price of $ 99. Read more… Neowin Related Posts:Microsoft's stock price at a 52 week high while…Microsoft stock hits a new all-time high after 365…Arm files for its upcoming and highly anticipated…Meta falls out of top 20 U.S. companies after its…Microsoft makes it easier to uninstall more stock…