How to verify the original Mac?

Method 1: Look at the mobile phone serial number (IMEI number) and check online. A. Enter *#06# on the mobile phone to know the IMEI code of your mobile phone. This set of numbers is *** 15 digits, including equipment model approval number (6 digits)+final assembly number (2 digits)+factory serial number (6 digits)+standby. Method 2: Fill in the IMEI code online, and then follow the prompts for verification. IMEI is TAC+FAC+SNR+SP. Method 3: SMS verification The Telecommunications Administration of the Ministry of Information Industry has opened a service to verify the authenticity of the network access permission mark by SMS. The method of checking the network access permission sign by SMS: Enter the mobile phone information writing interface and enter the information in the following format: a. Query the network access permission information: RW# license number. Method 4: network access license can also tell the truth from the false. There is a watermark on the network access license, and the surface color is uneven, deep and shallow, thick and light. Most of the fake network access license are imitations, and the surface color has not changed.