Microsoft Lumia 435 No-Contract Windows Smartphone (T-Mobile) for $24.94. Select in-store pickup at Walmart to save on shipping. Otherwise, shipping is free on orders over $50. Here is a screenshot for reference. It features Qualcomm Snapdragon 200 dual-core processor at 1.2GHz, 4″ touchscreen with 480 x 800 resolution, 1GB RAM, 8GB memory with GPS with microSD card slot, A-GPS, 2MP rear camera, and Windows 8.1 with free upgrade to Windows 10. Most places have it for about $49.