What does mobile phone sn mean?

Mobile phone sn refers to the SN code of the mobile phone device, that is, the product serial number of the mobile phone device. It generally refers to the software registration code information and is the serial number of a product shipped from the factory. Product serial is a concept introduced to verify the "legal identity of the product". It is used to protect users' legitimate rights and interests and enjoy legal services; a set of genuine products only corresponds to a set of product serial numbers. SN code is also called machine code, authentication code, registration application code, etc.

The operating environment of this tutorial: HarmonyOS 2 system, HONOR V30 mobile phone.

Mobile phone sn refers to the SN code of the mobile phone device, which is the product serial number of the mobile phone device and the ID number of the mobile phone device.

SN code is the abbreviation of Serial Number, sometimes also called SerialNo, which is the product serial number. The product serial number is a concept introduced to verify the "legal identity of the product". It is used to ensure that the user is genuine Rights and interests, and enjoyment of legal services; a set of genuine products only corresponds to a set of product serial numbers. Nicknames for SN code: machine code, authentication code, registration application code, etc.

The mobile phone SN number and IMEI number are different.

The mobile phone SN number generally refers to the software registration code information, which is the serial number of a product shipped from the factory. SN is the abbreviation of series number (Chinese: serial number). ESN is the abbreviation of Electronic Serial Number.

IMEI (International Mobile Equipment Identity) is the abbreviation of International Mobile Equipment Identity. The International Mobile Equipment Identity is an "electronic serial number" composed of 15 digits. It is uniquely identified with each mobile phone. Corresponding, and the code is unique in the world. Each mobile phone will be assigned a globally unique set of numbers after assembly. This number will be recorded by the manufacturer from production to delivery. IMEI codes are uniformly assigned by GSM (Global Association for Mobile Communications) and authorized by BABT (British Communications Certification Board).

Inquiry of mobile phone SN number (taking HarmonyOS 2 as an example)

1. Click "Settings" to enter the setting interface

2. Click "About Phone"

3. Click "Status Information"

4 , the serial number is the mobile phone SN number

Extended knowledge:

There are three types of SN codes: software SN code, online game SN code , TCP SN code, mobile phone SN code.

Online game SN code is also called novice serial number. It is a "gift" distributed to players by online game companies in order to promote online games.

The software SN code is an identification code given to the software by the software developer. It is similar to a person's ID card number. Its main function is to prevent the software from being stolen by users. Users must know the serial number in order to use their software.

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