I bought an iPhone 4s on craigslist and it's already activated on an account?

I called customer care on the phone and says that the account it's connected to owes sprint over 900 dollars. I was wondering after they don't pay the bill and it goes to … Show more

You got taken because you didn't do your homework. You were emotionally overcome by the low price, & therefore didn't ask the right questions or do any research. You will never be able to activate the phone in your name, unless you pay the $900.00 Sprint bill. Your greed made it easy for the seller to cheat you.