Summary: LG's own Optimus G is a much better deal than both of the above phones (at least as of this writing). Available for free on Sprint, the G offers a much faster quad-core processor, a larger 4.7-inch 720p screen and a superior 13-MP camera.
Conclusion: The LG Optimus F3 delivers LTE speeds and a decent display for $149. Unfortunately, installing large apps is almost impossible on this Android smartphone thanks to its tiny internal storage.
Pros: Amazing battery life. Inexpensive for an LTE phone.