After accepting the quote for your old device, You have 30 days to send in your device and get the same or higher payout.

We give customers 30 Days so they can buy a new phone by that time and not risk devaluing their old gadget.

If the Payout Price Decreases after you locked the price, you will get the higher price.
If the Payout Price Increases after you locked the price, you will get the higher price.