What does lMEl do and what does lMEl mean?

IMEI code.

"IMEI code" is what people often call "mobile phone serial number", each mobile phone will be written into a unique electronic serial number when leaving the factory, that is, commonly known as LMEL code, it acts as if each of us has an ID number, users can view the mobile phone's "IMEI code" as long as they enter it on the mobile phone.

IMEI (International Mobile Equipment Identity) is the abbreviation of International Mobile Equipment Identity Code, which is composed of 15 digits"Electronic serial number", it corresponds to each mobile phone one-to-one, and the code is unique in the world. Each mobile phone will be given a globally unique set of numbers after assembly, and this number will be recorded by the manufacturer from production to delivery. It is composed of:

1. The first 6 digits (TAC) are"Type approval number", generally representative models.

2. The next 2 digits (FAC) are"The last assembly number", generally representing the place of origin.

3. The next 6 digits (SNR) are"Serial number", which generally represents the production sequence number.

4. The last 1 digit (SP) is usually"0", for the verification code, currently standby.

The IMEI code is affixed to the logo on the back of the phone and is read and written in the phone's memory. It is also the phone at the manufacturer's"Archives"with"Identification number"。

LMEL is the meaning of the International Mobile Equipment Identity Code, that is, the commonly known mobile phone serial number, mobile phone "serial number", which is used to identify each independent mobile phone and other mobile communication devices in the mobile network, which is equivalent to the ID card of the mobile **.

The serial number consists of 15 17 digits, and the first 8 digits (TAC) are the type approval number (6 digits in the early days), which is the code that distinguishes the make and model of the mobile phone. The next 2 digits (FAC) are the last assembly number (only present in earlier models), which represents the final assembly location**.

The last 6 digits (SNR) are serial numbers, which represent the production sequence number. The last 1 bit (sp) is generally 0, which is the check code and is spared. The International Mobile Equipment Identity (IMAI) is generally attached to the back of the fuselage and the outer packaging, and also exists in the memory of the mobile phone, which can be queried by entering *.

LME generally refers to the London Metal Exchange.

The London Metal Exchange (LME, London Metal Exchange) is the world's largest non-ferrous metals exchange, established in 1876 and an indirect wholly-owned subsidiary of the Hong Kong Stock Exchange. The trading varieties are copper, aluminum, lead, zinc, nickel and aluminum alloys, and the exchange's ** and inventory have an important impact on the production and sales of non-ferrous metals worldwide.

LME's ** and inventories have a significant impact on the production and sale of non-ferrous metals worldwide. In the mid-19th century, Britain was the world's largest producer of tin and copper.

As time went on, industrial demand grew, and Britain urgently needed to import large quantities of industrial raw materials from mines abroad. Since the beginning of this century, the London Metal Exchange has been publicly publishing its trading volumes** and has been widely used as the benchmark for metals in the world**. 70% of the world's total copper production is based on the official rates published on the London Metal Exchange**.

It means London Metal Exchange.