For significant savings (up to 30-50%), Back Market provides certified refurbished devices with a minimum 30-day return window. Swappa is a top-rated peer-to-peer marketplace that verifies device IMEIs for buyer safety.

T-Mobile has been rated #1 for customer satisfaction and network reliability in 2026 surveys.

US Mobile and Mint Mobile are highly rated for their personalized support and low-cost plans. AI responses may include mistakes. Learn more The Best Place to Buy Used Phones - Phonecheck

The undisputed champion for the deepest discounts across all brands.

Look for "Back-to-School" promotions in July and August. Customer Service Rankings

Samsung frequently offers the highest trade-in credits for its own devices, with recent deals reaching up to $720 off the Galaxy S26 Ultra

The best time for iPhone deals as new models are released and older ones drop in price.