While Sprint has officially merged with T-Mobile, trade-in programs for the Go to product viewer dialog for this item.
Since the merger, you can trade in your Sprint-locked through T-Mobile's Trade-In Program .
is a legacy device, your options for "buy back" generally fall into two categories: carrier credits or direct cash sales.
Sites like BuyBackWorld and Gazelle often offer higher cash payouts than carriers.
You can print a prepaid label and ship the device for a bill credit .