Users obtain an immediate online valuation, dispatch items free of charge, and receive payment the same day the goods are received and authenticated, the brand claims. For a quicker service, the company has teamed up with high-street provider Timpson, enabling handsets to be handed in-store for payment in as little as 15 minutes.

Apple's iPhone development roadmap runs several years into the future and the company is continually working with suppliers on several successive iPhone models at the same time, which is why we often get rumored features months ahead of launch.