BuyDig via eBay offers the Unlocked Samsung Galaxy S4 16GB 3G Android Smartphone
in Black Mist, model no. GT-i9500, for $539.99
with free shipping
. That's $10 under our mention from two days ago and the lowest total price we could find by $65. This quad-band GSM phone features a 5" 1080x1920 touchscreen Super AMOLED, Samsung Exynos 5 8-core chipset (international version), 2GB RAM, 16GB memory, 13-megapixel rear camera, 2-megapixel front camera, 1080p video recording, accelerometer, compass, barometer, Bluetooth 4.0, WiFi, and Android 4.2.2 (Jelly Bean) OS. Deal ends September 28.