Amazon offers its Prime members the Nokia Lumia 635 No-Contract Windows Phone 8.1 for AT&T for $26.99 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, it costs an extra $6.44.) That's $3 under our mention from two weeks ago and the lowest total price we could find by $29. It features a Qualcomm Snapdragon 400 1.2GHz quad-core processor, 4.5" 854x480 IPS LCD, 512MB RAM, 8GB internal memory, 5-megapixel camera, microSDHC slot, WiFi, Bluetooth, and Microsoft Windows Phone 8.1 OS.

Orders placed by December 22 are guaranteed to arrive in time for Christmas via Prime shipping; otherwise, choose Standard shipping and place your order by December 19 for guaranteed delivery.