Turn Your Old Phones Into Instant Cash. ecoATM is the world's first automated eWaste recycling station. That's a fancy way of saying that we're a friendly green machine looking to pay cash for the responsible recycling of your old cell phones, MP3 players and tablets. Sell your phone or other device by placing it in the ecoATM kiosk, and we'll tell you how much it's worth. What happens next? You get instant cash.