BLU Win HD LTE 5.0″ Windows Unlocked GSM Smartphone for $49.99 shipped. Here is a screenshot for reference. Note that it is available at this price in 4 different colors at the time of this post. It has a Snapdragon 410, 1.2GHz quad core CPU, 8MP autofocus main camera and 2MP frontal camera with LED flash. This unlocked phone is compatible with GSM networks including AT&T, T-Mobile, Cricket, MetroPCS, Straight Talk and others.