The launch of a new iPhone inevitably results in people dumping older models. While reselling newer iPhones is a popular choice, if your phone is ancient or cracked beyond belief that's not a viable option. Just remember: you can always recycle it.
This infographic from phone recycler Mobile Muster shows how we've increasingly embraced a planet-friendly approach to disposing of old phones. Given you don't have to go to any more effort to do so than finding a drop-off point or printing off a freepost label, that makes sense.