IMEI的完整形式是什么？

IMEI：国际移动设备识别 (IMEI: International Mobile Equipment Identity)

IMEI is an abbreviation of International Mobile Equipment Identity. It alludes to code or number that recognizes a particular mobile phone used over a mobile network. Each mobile phone has a distinctive IMEI number comprises of 15 to 17 digit number. Generally, on the backside of a user's mobile battery, it is printed. By dialing *#06#, a user can examine his mobile phone IMEI number.

IMEI是International Mobile Equipment Identity的缩写 。 它暗指识别在移动网络上使用的特定移动电话的代码或号码。 每个手机都有一个独特的IMEI号码，由15到17位数字组成。 通常，将其打印在用户移动电池的背面。 通过拨打*＃06＃，用户可以检查其手机的IMEI号码。

The information about the serial number of the device, model number, and origin is displayed by the IMEI number.

通过IMEI编号显示有关设备序列号，型号和原产地的信息。

    AA-BBBBBB-CCCCCC-D/EE

• AA: It displays the identifier of the reporting body. It is a segment of the Type Allocation Code (TAC) and displays a mobile phone model and brand.

  AA ：显示报告正文的标识符。 它是类型分配代码(TAC)的一部分，并显示手机型号和品牌。

• BBBBBB: It is also a segment of the Type Allocation Code (TAC).

  BBBBBB ：它也是类型分配代码(TAC)的一部分。

• CCCCCC: Displays serial number.

  CCCCCC ：显示序列号。

• D: Luhn checksum.

  D ：Luhn校验和。

• EE: Displays software version number.

  EE ：显示软件版本号。

When the situation of mobile theft arises, the IMEI number is used. The database with the IMEIs number is contained by telecom operators. When a situation arises in which mobile is lost, then in that situation that handset IMEI number is marked invalid and the use of any SIM card will be restricted by the mobile operators. However, there is a clear chance that a smart thief on the stolen handset can install an unmark IMEI number and can use it again another illegal time. So, if a user's phone is lost or stolen, then a user can make available for use his IMEI number to his provider of mobile network and request them to disable the phone system and setting.

当发生手机盗窃的情况时，将使用IMEI号码。 具有IMEI号的数据库由电信运营商存储。 当出现手机丢失的情况时，在这种情况下，手机的IMEI号被标记为无效，并且移动运营商将限制使用任何SIM卡。 但是，很明显的可能是，被盗手机上的小偷可以安装未标记的IMEI号码，并可以在另一个非法时间再次使用它。 因此，如果用户的电话丢失或被盗，则用户可以将其IMEI号码提供给他的移动网络提供商，并要求他们禁用电话系统和设置。

IMEI号码是如何制作的？ (How IMEI number is made?)

On the origin, model, and the serial number of the device, the IMEI of 15 decimal digits or IMEISV of 16 digits comprises information. The arrangement of the IMEI/SV is stated in 3GPP TS 23.003. The initial 8-digit portion of the IMEI/SV is included in the model and origin, called the Type Allocation Code (TAC). In the end, with a Luhn check digit, the remainder of the IMEI is stated by the manufacturer.

在设备的来源，型号和序列号上，包含15位十进制数字的IMEI或16位数字的IMEISV。 IMEI / SV的布置在3GPP TS 23.003中进行了说明。 IMEI / SV的初始8位数字部分包含在模型和原点中，称为类型分配代码(TAC)。 最后，使用Luhn校验数字，IMEI的其余部分由制造商声明。

Image source: https://www.imei.info/news/why-check-phone-imei/

图片来源：https://www.imei.info/news/why-check-phone-imei/

IMEI号码的优点 (Advantages of IMEI number)

• The most significant benefit of the IMEI number is that it aids in detecting the criminals.

  IMEI号码最显着的好处是它有助于发现罪犯。

• IMEI numbers have played an important role in restricting the usage of a stolen device and as a consequence help in controlling the occurrences of theft.

  IMEI号码在限制被盗设备的使用方面起着重要作用，因此有助于控制盗窃的发生。

• The operator can rapidly send the message with IMEI number to the Central Equipment Identity Register, in countries like the UK, which afterward moves it to all other network providers. On all the networks, devices are blacklisted within 48 hours.

  运营商可以将带有IMEI号码的消息快速发送到英国等国家的中央设备身份注册中心，然后将其移动到所有其他网络提供商。 在所有网络上，设备都会在48小时内列入黑名单。

翻译自: https://www.includehelp.com/dictionary/imei-full-form.aspx