QualityCellz via eBay offers the refurbished No-Contract Apple iPhone 5s 16GB Smartphone for AT&T in Space Gray, Silver, or Gold for $499.99 with free shipping. That's $149 under the lowest total price we could find for a new prepaid iPhone 5s with almost any carrier (except Virgin Mobile, as we listed earlier today). It sports an Apple A7 processor, 4" 1136x640 Retina display, 8-megapixel iSight camera with 5-element lens with f/2.2 aperture, True Tone flash, and 1080p video capture with 30 fps video shooting (120 fps shooting at 720p slow motion playback), 1.2-megapixel FaceTime HD camera, Touch ID fingerprint reader built into the home button, M7 motion coprocessor, 802.11n wireless, Bluetooth 4.0, and dual microphones.

Of note, no warranty information is provided.