Quality Cellz via eBay offers the refurbished Unlocked Samsung Galaxy Note 4 32GB 4G LTE GSM Android Phone in White or Black, model no. N910A, for $399.99 with free shipping. That's $70 under our April mention and the lowest total price we've seen for this phone. (It's a current low by $35.) It features a 5.7" 2560x1440 Super AMOLED display, 2.7GHz quad-core processor, 16-megapixel rear-facing camera, 3.7-megapixel front-facing camera, 3GB RAM, 32GB internal memory, Bluetooth 4.1, 802.11ac wireless, microSD card slot, and Android 4.4 (Kit Kat).
Note: The product page states a Samsung warranty is included; however, the length of that warranty is unclear.