Groupon offers the refurbished Unlocked Samsung Galaxy S5 16GB Quad-Core Android Smartphone in Black or White, model no. SM-G900V, for $179.99 with free shipping. That's tied with our refurb mention from last month and the lowest total price we could find for a new one by $30. This GSM phone features a 5.1" 1920x1080 AMOLED touchscreen display, Qualcomm Snapdragon 2.5GHz processor, 2GB RAM, 16GB internal storage, 802.11ac wireless, Bluetooth 4.0, 16-megapixel rear-facing camera, 2-megapixel front facing camera, microSD card slot, and Android 4.4.2 (KitKat).

Note: This phone is Verizon branded but unlocked for GSM networks. A 30-day warranty applies, although it's unclear who backs it.