Galaxy S4 comes to Cricket for only $54.99, but carries an unknown monthly device fee

Now that Samsung's Galaxy S4 has rolled out to the major carriers in the US, smaller options like Cricket are getting involved. The prepaid carrier just announced that it'll start carrying the Galaxy S4, and it'll come in at an exceptionally low up-front cost of $54.99 -- nearly $100 less than what T-Mobile is asking for the Galaxy S4. This only applies to "qualified customers," and there will also be an associated monthly device charge to go along with it -- much like T-Mobile's new payment pla...