I don’t know how Corey ever managed to secure a monthly plan that only costs $2.50–oh wait, it looks like some old offer Sprint forgot about but some of their customers found. Well, now Sprint knows about it, and they’re not happy. On the bright side, hey, no ETF to worry about if you want to switch carriers, Corey. You can read Sprint’s take-it-or-leave-it offer below. [More]