1, Apple authorized stores can inspect the machine, but most of them are unqualified. Manufacturers: Only retail personnel, some of whom are trained by Apple, are not qualified to identify and test equipment; Service provider: Can provide maintenance and testing services. But they are not qualified to test and identify equipment.

2. You can try. Apple Store can check the serial number of the mobile phone, as long as you provide invoices, packaging boxes and the like.

3. It is the most accurate to check the serial number in official website, and the specialty store can also identify it. The following are the steps for official website to query the serial number: First, open the phone settings-General-About this machine-and find the serial number. Open Apple official website (mobile phone or PC). Click Technical Support-Contact Support.