Walmart offers the Nokia Lumia 530 3G Windows Phone 8.1 for T-Mobile (no-contract) in White for $39.99. Choose Site-to-Store pickup to dodge the $4.97 shipping fee. That's tied with our mention from last week and the lowest in-stock price we could find today by $9. It features a Qualcomm Snapdragon 20 1.2GHz quad-core processor, 4" 854x480 LCD, 512MB RAM, 4GB internal memory, 5-megapixel camera, microSD slot, 3G, WiFi, Bluetooth 4.0, and Microsoft Windows Phone 8.1 OS.