Best Buy offers the Unlocked NUU Mobile X1 16GB 4G Android Smartphone in White, model no. X1 US WHT, for $99.99 with free shipping. That's the lowest total price we could find by $100. Features include a 5" 1280x720 IPS LCD display, Qualcomm Snapdragon 400 1.2GHz quad-core processor, 16GB storage, 13-megapixel rear camera, 5-megapixel front facing camera, 802.11ac wireless, Bluetooth, and Android 4.4 (KitKat).