Both carriers offer prepaid no-contract cell phone plans. Boost Mobile subscribers can use the Samsung Galaxy S III on the Boost Mobile Android Monthly
Unlimited Plan for $55 per month. The Android Monthly Unlimited Plan offers unlimited talk, text, and data, as well as unfettered access to the Google Play Android app marketplace. Customers who pay their bill every month can have their monthly payments lowered to $40.
Virgin Mobile offers the Samsung Galaxy S III on one of its three Beyond Talk Plans: