When it comes to buying a new smartphone, two hard truths have encroached on the conversation in recent years. One is that few of us have as much disposable income as we used to. And even for those of us who are more flush, the cost of most things has risen.

The second major shift is an increased awareness of how wasteful the mobile upgrade cycle can be, and what an impact old and obsolete tech can have on the environment. Those old internal components are far from biodegradable, so your phone’s ultimate resting place really matters.