1. First, use Baidu search function to find the telecommunications equipment network access management website and click to enter.
2. After entering, select the "Authenticity Inquiry" option, as shown in the figure below.
3. Then enter the corresponding information to query according to the system requirements, as shown in the figure below.
4. If the prompt message in the red box in the picture below appears, it means that the phone is fake, as shown in the picture.