Techno.Trading.House via eBay offers the Unlocked Sony Xperia Z2 GSM 4G Android Smartphone in Black or White, model no. D6503, for $399.99 with free shipping. That's $100 under our September mention and the lowest total price we've seen. (It's also a current low by $42.) This GSM smartphone features a Qualcomm Snapdragon 801 2.3GHz quad-core processor, 5.2" 1080x1920 touchscreen, 16GB internal storage, 20.7-megapixel camera, 1080p video recording, and Android 4.4.2 OS (KitKat).