How to verify the authenticity of mobile phones

Method 1: Check online

A. Enter * # 6 # on your mobile phone to know your mobile phone's IMEI code (International Mobile Equipment Identity Code), which is ***15 digits, including equipment model approval number (6 digits)+final assembly number (2 digits)+factory serial number (6 digits).

B, take out the battery, you can see three lines of numbers on the phone, and remember them.

C, log on to the following website: www.tenaa.com.cn.

D, fill in the IMEI code online, and then follow the prompts to verify.

IMEI is tac+fac+SNR+sp. Imei (International Mobile Equipment Identity) is the abbreviation of International Mobile Equipment Identity Code. It is an "electronic serial number" composed of 15 digits, which corresponds to each mobile phone one by one. This code is unique in the world. Every mobile phone is given a unique number in the world after assembly. This number will be recorded by the manufacturer from production to delivery, and will not be recorded by the telecom company until the mobile phone is purchased by the user and logged into the network through the SIM card.

Its composition is:

The first 6 digits (TAC) are "model approval numbers", which generally represent the model. The next 2 digits (FAC) are the "last assembly number", which generally represents the place of origin. The next 6 digits (SNR) are "serial numbers", which generally represent the production sequence number. The last digit (SP) is usually "", which is a verification code and is currently reserved.

the p>IMEI code is attached to the sign on the back of the mobile phone, and is read and written in the memory of the mobile phone. It is also the "file" and "ID number" of the mobile phone in the manufacturer.

Method 2: SMS verification

At present, 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 sign of network access permission by SMS:

a. Enter the information writing interface of mobile phone;

B. Enter the information in the following format:

A. Inquire about network access license information: RW # license number;

B. Check the authenticity of network access license logo: RW # license number # scrambling code;

C. check the authenticity of mobile phone equipment: rw # license number # scrambling code # mobile phone serial number;

C. Description:

C. "RW" is a fixed code, regardless of case;

B. "#" is a spacer and can be replaced by a space;

C. The license number is the first line on the Internet access sign, such as "2-1-994631", where "-"can be replaced by the letter "a" (regardless of case);

D. the scrambling code is the third line on the network access sign, such as "3N48PT7C17XP 3x1";

e. enter "* # 6 #" on the mobile phone to get the serial number of the mobile phone. Just enter a number, not "/"or "-";

F. If you need help information, just enter "rw";

g. after input, send it to 95, and then wait for the reply conclusion.

the application scope of the sign for checking network access permission by SMS: users of China Mobile and China Unicom.

method 3: manual telephone inquiry

the relevant departments provide manual telephone inquiry services to all units and individuals in society, mainly to inquire about the authenticity of the information on the quality marks of the internet access. The inquiry center does not charge any inquiry fees.

Tel: 1-8258767, 825313,

Service hours: Monday to Friday (except holidays)

8: -11: 4 am; 1: 3-5: p.m.

another aspect is experience: ask retail stores whether it is possible to guarantee nationwide. If it is licensed, otherwise, if there is any problem, look at the manual. For example, the manual of licensed goods is like a genuine book, and parallel goods are like pirated books.