Groupon again offers the Unlocked Samsung Galaxy S4 Zoom 16-Megapixel 8GB Android Smartphone in White, model no. SM-C1010, for $329.99 with free shipping. That's tied with our mention from a week ago as the lowest total price we've seen for this phone. (It's also a current low by $18, although most retailers charge $450 or more.) This quad-band GSM phone features a 16-megapixel camera with 10x optical zoom and 1080p video recording, 4" 1080x1920 touchscreen Super AMOLED, 1.5GHz Cortex A9 dual core processor, 1.5GB RAM, 8GB internal memory, Bluetooth, WiFi, and Android 4.2.2 (Jelly Bean) OS. Deal ends May 1 at 1 am ET.