Microsoft Store offers the Nokia Lumia 521 Windows Phone 8 for T-Mobile (no contract) in Black for $49 with free shipping. That's $11 under yesterday's mention and the lowest total price we've ever seen for this phone. It features a Qualcomm Snapdragon S4 1GHz dual-core processor, 4" 800x480 IPS LCD, 512MB RAM, 8GB internal memory, 5-megapixel camera, microSD slot, WiFi, Bluetooth, and Microsoft Windows Phone 8 OS.