How to prepare your phone for trade-in

There was once a time in which many people couldn't wait to toss their smartphone aside every two years (and sometimes even more frequently) in order to get the latest model as soon as it hit shelves. But that world has faded for the most part now as shoppers demand devices that last for years so they can hold on to them for longer. And when the time finally comes to upgrade, many are being more conscientious about what happens to their old gadgets. You may want to trade in your smartphone or sell it when you're ready to upgrade; either option can keep your device out of a landfill in addition to scoring you some extra cash. There are also options to recycle part or all of your phone if it's too old to make a trade-in worthwhile. Whatever path you choose, there are important steps to take to prepare a phone you're about to get rid of. These instructions apply to any model you might have, including both iPhones and Android phones. Here's what you need to know. Back u