You can check the activation time of the mobile phone on the official website of "Apple". If it is inconsistent with the "time of purchase", it can be judged as a refurbished machine.

Materials/Tools: Computer with internet connection.

1. Find "Technical Support" above "Apple Official Website" in your computer browser and click to enter, as shown in the figure below.

2. Click the text link "Provide Serial Number" on the "Technical Support" page to proceed to the next step, as shown in the figure below.

3. Then enter the "serial number" in the "box" at the bottom of the "View Warranty Status" page, as shown in the figure below.

4. On this page, you can see the "warranty period" of the mobile phone. One year forward is the "activation date". If it is inconsistent with the actual "purchase date", it can be judged as a refurbished machine. , as shown in the figure below.