The 7 and 8 digits of the phone s serial number indicate which country the latest respectively

I didn't use this way a few years ago, and this is only suitable for freshman phones.

Nokia users should be aware of the input*

It will display its own mobile phone serial number, and the origin and quality of the mobile phone can be judged by the first digit

Or 2,0 represents a very poor phone of Arab production.

Or 8,0 means that it is made in Germany and is a little better.

Or 1,0 means that it is made in Finland and is a very good phone.

The representative is produced by the company of origin and is the best quality mobile phone (original phone).

The representative is made in Azerbaijan and is a very, very poor mobile phone.

IMEI code = serial number of your mobile phone.

code (device type approval number).

The first six digits of the IMEI code are the TAC code. The TAC code represents the model of the phone. Whether it is a Nokia, Ericsson or Motorola product, as long as it is the same model of mobile phone, the TAC code must be the same.

For example, the first six digits of the IMEI code of Nokia 6150 must be "493002".

yard (last assembly number).

The bit of the IMEI code is the FAC code, which means which factory the mobile phone is in when it is finally assembled. Each factory has its own codename, so it's not a code name for any country that makes it. However, in the minds of users, the location of the factory where the final assembly process is completed is considered to be the place of origin of the mobile phone.

Therefore, the FAC code can also be regarded as the code name of the origin of the mobile phone.

code (factory serial number).

The 9 14 digits of the IMEI code are the SNR code, which is the factory serial number of the mobile phone. The factory serial number of the mobile phone, like the factory serial number of other products, is for the internal management of the manufacturer, and does not mean much to the user.

Alternate number) The last digit of the IMEI code is the SP code, which is the backup number of the mobile phone, which is generally zero. However, there are also some phones that do not have a zero SP code, which is normal. Let's take the Nokia 6150 as an example to help understand.

A Nokia 6150, after pressing "*", the words "mobile phone serial number 493002407599521" appear on the screen. "493002" means that the approved model of the mobile phone is 6150; "40" means that the final assembly site is Beijing; "759952" is the factory serial number of the phone; 1 is the backup number.

The serial number on the mobile phone is like people's ID cards, which are carried from birth, this number is unique, and it will be recorded, so the number has become an important information to identify the mobile phone, and the specific use needs to be said according to the different brands, but it is generally the same.

The uniqueness of the serial number makes it play a pivotal role, especially when querying, you can find out some information about the mobile phone with it, and the merchant also uses it as an important certificate of warranty, according to the serial number you can identify the authenticity of the mobile phone, and you can also find out the production date, but it is mainly used in hardware.

When buying a mobile phone, the serial number of the mobile phone is usually filled in on the warranty card to avoid some people taking advantage of it. The mobile phone serial number has been widely used, in addition to being queried through the mobile phone, it can also be found on the headphones, mobile phone boxes, etc.

It corresponds to each mobile machine one by one, and the code is unique in the world. After the assembly of each mobile ** machine will be given a unique set of numbers in the world, this number will be recorded by the manufacturer from production to delivery.

Mobile phone serial number: Abbreviation for International Mobile Equipment Identity Code.

A mobile phone serial number is like your ID card, and every mobile phone has a serial number at the factory. If the serial number is lost, the phone will become a brick, and the wrong swiping process will wipe the serial number of the phone.

IMEI code. In layman's terms, it is the ID card, the only one. But copycats are not necessarily.

Mobile phone serial number: Abbreviation for International Mobile Equipment Identity Code.

It's the same as computer IP.