Swappie specializes in the refurbishment and sale of used smartphones, particularly iPhones. The company buys used smartphones, refurbishes them to a high standard, and then sells them to consumers at competitive prices. Their process includes rigorous testing, repair, and quality assurance to ensure that each phone meets their quality standards. Swappie ensures that all refurbished phones undergo a comprehensive 52-step testing process. This includes checking for hardware and software functionality, replacing defective parts, and thoroughly cleaning each device.