After you've used your smartphone or tablet for a good, long time, eventually you're going to want to get a new one. What are you going to to with your old one? Will you put it in a drawer and let it collect dust? Or will you give it to a friend or family member, or maybe even sell it? Whatever you end up doing, it would be wise to run it through a "factory reset" before letting it leave your hands! Click play and find out!