Estimated trade-in values are based on your trade-in device's current market value and any current Google Store promotions. Estimated trade-in values are subject to change.
The estimated trade-in value is based on the information you provide during the checkout process. The final trade-in value is based on inspection after your old phone is received. Any differences between the information that you provide and your phone's actual condition may affect the phone's final trade-in value.
Additional details can be found in the trade-in Terms and Conditions.