How to find out which year Apple's mobile phone was produced?

You can go to Apple official website to check for yourself. The specific method is as follows:

First, use Baidu search to find Apple, China and official website, and click to enter. ?

Second, after entering the official website, select "Technical Support" information. ?

3. Then find the item "Service and Maintenance Information" under "Service and Maintenance" and click Enter. ?

4. Click "iPhone" to enter. ?

5. Then select "View Insurance Status" information. ?

6. After entering, enter the serial number of the mobile phone to check the factory date of the mobile phone.