If you need an inexpensive Android smartphone on prepaid Boost Mobile service you should definitely try out the Samsung Galaxy Prevail M820. Period.
Introducing the Samsung Galaxy Prevail for Boost Mobile, an Android-operated smartphone with the power to keep the highly connected, data-centric smartphone user in the loop.
This feature-rich smartphone lets you chat and email with friends, share pictures, and listen to your favorite tunes! And with the Android operating system, you can create your own arsenal of fun and productivity by selecting any of the thousands of apps, ringtones, and games from the Android Market.