Gazelle - Buy and Sell your used cell phones and electronics. Sell your iPhone, Samsung Galaxy, iPad and more for cash, or buy used iPhones, iPads and other cell phones. More than one million customers trust Gazelle.
Geebo - Geebo is an online classified ad provider of employment, real estate, vehicles, local artists, house for sale, apartments for sale, and likewise many other types of advertisement for free.
Gadget Gone - Sell your iPhone today. We turn your iPhone into cash with a fast, easy, and profitable process. Goodbye iPhone, hello moola.
craigslist - craigslist provides local classifieds and forums for jobs, housing, for sale, services, local community, and events
CashOn Pick - Cellular Country is not as greater used smartphones trading platforms as compared to others, but still, there are many factors that make it the best platform for getting used smartphones and also selling used or second-hand smartphones as well.
Oodle - Oodle is a web-based market of the millions of advertisement and classifieds.