Best Buy offers the Samsung Galaxy Core Prime 8GB Sprint Prepaid Smartphone, model no. SPHG360ASB, for $39.99 with free shipping. That's $30 under our January mention and the lowest total price we've seen for this phone on Sprint. (It's a current low by $35.) It features a 1.2-Ghz quad-core processor, 4.5" touchscreen, 5-megapixel camera, 2-megapixel front camera, 8GB internal memory, microSD slot, and Android 4.4 (KitKat).