Amazon has the Contract-Free Nokia Lumia 635 Windows Phone for AT&T for $49.99 (99.99 – 50 instant savings) with Free Shipping for a limited time.

The Nokia Lumia 635 features a Qualcomm Snapdragon 400 1.2GHz quad-core processor, 4.5″ 854×480 IPS LCD, 512MB RAM, 8GB internal memory, 5-megapixel camera, microSDHC slot, WiFi, Bluetooth, and Microsoft Windows Phone 8.1 OS.