: Offers "Renewed" iPhones that typically come with a 90-day warranty , providing more protection than standard peer-to-peer sales. Refurbished Specialists

While they no longer stock new units, some major retailers sell used or "restored" models through their online marketplaces: : Lists restored

These sites focus on testing and restoring older tech before resale.

: A popular choice for refurbished electronics that includes a 1-year warranty and a 30-day money-back guarantee.