No need to send the old phone right away.
Mobile phone category trade-in business steps:
The first step [Choose trade-in] : you choose to submit the order by trade-in in the order confirmation page of the new machine purchase page (need to open the use before pay later);
The second step [Send the old machine after receiving the new machine] : after receiving the new machine, complete the mobile phone data transfer, then go to [My order], click [send the old machine]-[make an appointment to pick up], and wait for SF Express to send the old machine; Or [send the old machine first, wait for the new machine] : after placing the order, go to [My order], click [send the old machine]-[make an appointment to pick up], wait for SF Express to send the old machine to the door, while waiting for the new machine to be delivered to the door;
The third step [receiving quality inspection] after receiving your old machine, the recycler will issue a test report within 72 hours, you can go to [My order] to check the recovery price;