How does Huawei think it is a new machine?

Huawei verifies whether it is a new machine as follows:

Tools/materials: Huawei Glory 50Magic, EMI9.1.1,set 8. 1.

1. After unlocking the phone, click Services on the desktop.

2. Then click More, as shown in the figure below.

3. Then click the equity query, as shown in the figure below.

4. After entering, click the electronic three-guarantee voucher.

5. Finally, the effective date can be seen in the opened interface of electronic three-guarantee voucher. If the effective date is similar to the date when we open the mobile phone, it is a new machine, otherwise it is not a new machine.