This 5.7-inch phablet is available from Sprint's prepaid brands, Boost Mobile and Virgin Mobile, for $179.99 USD plus tax. Its specs include a Snapdragon 435 processor, 2 GB RAM, and 16 GB internal storage.
http://www.notebookcheck.net/LG-Stylo-3-hits-Virgin-Mobile-and-Boost-Mobile.207046.0.html