These sites specialize in buying used tech. They usually provide a free shipping label and pay via PayPal or check. A well-known leader in the space; very reliable.
The most direct route is through Boost itself. They offer a trade-in program where you can get credit toward a new device. Current customers looking to upgrade. Payout: Instant credit or a Boost Mobile e-gift card. 2. Large Retailers (Instant Credit) who buys back boost mobile phones
Uses a "Cinch" powered trade-in program for store credit. These sites specialize in buying used tech