Yugster offers the Unlocked Nokia Lumia 520 Windows Phone 8 Smartphone in Black for $89.97. Coupon code "FreeYugBuck" cuts it to $88.97. With $5 for shipping, that's tied with our expired mention from three days ago as the lowest total price we've seen for the unlocked version of this phone. (It's a current low by $11.) Features include a 4" 480x800 touchscreen IPS LCD, Qualcomm Snapdragon 1GHz dual-core processor, 8GB internal storage, WiFi, Bluetooth, microSD card slot (up to 64GB), and Windows Phone 8 OS.