: You pay a fee at the time of purchase to lock in a pre-determined buyback value for the future.
In a different context, "buy back account" may refer to purchasing an existing Amazon seller business. Exchange Offer - Frequently Asked Questions
: You select the "With Exchange" or "Trade-In" option on a product page, answer a few questions about its condition, and receive an estimated value.
This program enables sellers to offer exchange values to customers directly. It is designed to improve affordability and boost sales of new products.
: You must perform a factory reset and remove all account locks (like iCloud or Google) before handover.
: For phones, the IMEI must match the details provided during the order. For Sellers: Buyback for Seller-Fulfilled Products