What does the Apple serial number starting with d mean?

The Apple serial number starting with d means that the phone is produced by Chengdu Foxconn. The serial number of an Apple mobile phone has its own meaning. The first digit represents the production place, the second and third digits represent the production line, the fourth and fifth digits represent the production year and cycle, and the sixth, seventh and eighth digits are the unique identification of the product. symbol, the ninth and tenth digits represent the model, the eleventh and twelfth digits represent the color and capacity. The first one in the serial number represents the production place: 1. F represents Zhengzhou, Henan; 2. D represents Chengdu, Sichuan; 3. C represents Shenzhen, Guangdong; 4. G0 represents Shanghai Pegatron; 5. G6 represents Shenzhen Foxconn’s new production line.

#The operating environment of this tutorial: IOS 16 system, iphone13 mobile phone.

What is the iPhone serial number?

The serial number's full name in English is International Mobile Equipment Identity, abbreviated as IMEI, which is the International Mobile Equipment Identity code. As the name suggests, the iPhone serial number refers to the "serial number" of Apple's mobile phone. It can be regarded as the iPhone's identity code. Every iPhone, or every Apple device, has a unique serial number. Just like our ID cards, each serial number is unique.

The serial number is like an ID card. It is related to various important information about the device, but most people don’t understand it very well. For Apple fans, the iPhone serial number is still important to check the iPhone’s authenticity, place of production, production date, original memory, color, etc.

What does the iPhone serial number starting with d mean?

The iPhone serial number starting with d means that the phone is produced by Chengdu Foxconn.

The serial number of an Apple phone is not completely randomly generated, it has its own meaning. Through Apple's serial number, we can not only see the place of production, but also the year and week of production.

The first digit of the iPhone serial number represents the production place, the second and third digits represent the production line (of little significance), the fourth and fifth digits represent the production year and cycle, the sixth, seventh, The eight digits are the unique identifier of the product, the ninth and tenth digits represent the iPhone model, respectively, and the eleventh and twelfth digits represent the color and capacity respectively. Let’s explain it in detail below.

1. The first representative of the production place

• F represents Zhengzhou, Henan
  

• # #D represents Sichuan Chengdu

• C represents Guangdong Shenzhen

• G0 represents Shanghai Heshuo

• G6 represents the new production line of Shenzhen Foxconn

The second and third digits of the iPhone serial number represent the iPhone production line, which has no real meaning and will not be introduced here.

2. The fourth digit represents the year of production

The fourth digit of the iPhone serial number represents the year, expressed in 20 letters (excluding A and B from the 26 English letters) , E, I, O, U) are carried every six months.

• C: stands for the first half of 2010, D: stands for the second half of 2010

• F: stands for the first half of 2011, G: stands for 2011 The second half of the year

• H: represents the first half of 2012, J: represents the second half of 2012

• K: represents the first half of 2013, L: represents the second half of 2013 (5S released)

• M: represents the first half of 2014, N: represents the second half of 2014 (6S released);

• P: represents the first half of 2015, Q: represents the second half of 2015 (6S is on sale)

• R: represents the first half of 2016, S: represents the second half of 2016 Half a year (7 sales)

• T: represents the first half of 2017, V: represents the second half of 2017 (X sales)

• W: Represents the first half of 2018, X: represents the second half of 2018

• Y: represents the first half of 2019, Z: represents the second half of 2019; (and so on)

• C: represents the first half of 2020, D: represents the second half of 2020 (cyclic letters)

3. The fifth digit represents the production cycle

The fifth digit of the iPhone serial number is a number (1~9, excluding 0) and 18 letters (excluding A, B, E, I, O, U, S from the 26 English letters) , Z) combination representation, starting from 1 to ending at Y, there are 27 groups in total, which cycle every six months.

• 1 represents the 1st cycle; 2 represents the 2nd cycle

• 3 represents the 3rd cycle; 4 represents the 4th cycle

• 5 represents the 5th cycle; 6 represents the 6th cycle

• 7 represents the 7th cycle; 8 represents the 8th cycle

• 9 represents the 9th cycle; C represents the 10th cycle

• D represents the 11th cycle; F represents the 12th cycle

• G represents the 13th cycle; H represents the 14th cycle

• J represents the 15th cycle; K represents the 16th cycle

• L represents the 17th Period; M represents the 18th period

• N represents the 19th period; P represents the 20th period

• Q represents the 21st period; R represents Cycle 2

• T represents the 23rd cycle; V represents the 24th cycle

• W represents the 25th cycle; X represents the 26th cycle

• Y represents the 27th cycle

The sixth, seventh, and eighth digits of the iPhone serial number are the unique identifiers of the product. This has no obvious meaning. The inner rules and meanings are probably only guessed by Apple itself.

4. The last four digits

The ninth and tenth digits of the iPhone serial number represent the iPhone model, and the eleventh and twelfth digits represent memory and color information respectively. You all know these when buying an iPhone, so I won’t introduce them here.

Instructions

With the complete serial number of your iPhone, you can check the warranty period of your current device to determine the date when your phone was first activated. Typically, the time after the iPhone's warranty expires minus one year of warranty is the device's first activation date. Due to time difference, there may be a difference of one to two days.

How to use the serial number to check information

The iPhone serial number can also be used to check the authenticity, activation date, and The remaining warranty period, etc., let’s teach you how to check the serial number information on Apple’s official website.

Currently, there are many places on the Internet where you can check the serial number of an Apple phone or tablet, including third parties and Apple officials, where you can check the warranty status of related equipment. Generally speaking, it is only recommended to check on Apple's official website. Other methods can easily reveal your serial number and may be used by criminals.

Usually go to the Apple China official website on your mobile phone or computer, and then go to "Technical Support"->"Warranty and Repair"->"View your warranty status", you can see the query by entering the serial number page, as shown below.

Computer serial number query page

Mobile phone serial number query page

On the serial number page, just enter your iPhone or iPad serial number. After completion, enter the verification code once to query the result. The result is as shown in the figure below.

For more related knowledge, please visit the FAQ column!

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