77 lines
2.8 KiB
Markdown
77 lines
2.8 KiB
Markdown
# MacOS Serial Number
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Apple devices manufactured after 2010 generally have **12-character alphanumeric** serial numbers, with the **first three digits representing the manufacturing location**, the following **two** indicating the **year** and **week** of manufacture, the next **three** digits providing a **unique** **identifier**, and the **last** **four** digits representing the **model number**.
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Serial number example: **C02L13ECF8J2**
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### **3 - Manufacturing locations**
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| Code | Factory |
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| :--- | :--- |
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| FC | Fountain Colorado, USA |
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| F | Fremont, California, USA |
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| XA, XB, QP, G8 | USA |
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| RN | Mexico |
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| CK | Cork, Ireland |
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| VM | Foxconn, Pardubice, Czech Republic |
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| SG, E | Singapore |
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| MB | Malaysia |
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| PT, CY | Korea |
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| EE, QT, UV | Taiwan |
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| FK, F1, F2 | Foxconn – Zhengzhou, China |
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| W8 | Shanghai China |
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| DL, DM | Foxconn – China |
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| DN | Foxconn, Chengdu, China |
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| YM, 7J | Hon Hai/Foxconn, China |
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| 1C, 4H, WQ, F7 | China |
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| C0 | Tech Com – Quanta Computer Subsidiary, China |
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| C3 | Foxxcon, Shenzhen, China |
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| C7 | Pentragon, Changhai, China |
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| RM | Refurbished/remanufactured |
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### 1 - Year of manufacturing
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| Code | Release |
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| :--- | :--- |
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| C | 2010/2020 \(1st half\) |
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| D | 2010/2020 \(2nd half\) |
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| F | 2011/2021 \(1st half\) |
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| G | 2011/2021 \(2nd half\) |
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| H | 2012/... \(1st half\) |
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| J | 2012 \(2nd half\) |
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| K | 2013 \(1st half\) |
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| L | 2013 \(2nd half\) |
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| M | 2014 \(1st half\) |
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| N | 2014 \(2nd half\) |
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| P | 2015 \(1st half\) |
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| Q | 2015 \(2nd half\) |
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| R | 2016 \(1st half\) |
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| S | 2016 \(2nd half\) |
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| T | 2017 \(1st half\) |
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| V | 2017 \(2nd half\) |
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| W | 2018 \(1st half\) |
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| X | 2018 \(2nd half\) |
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| Y | 2019 \(1st half\) |
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| Z | 2019 \(2nd half\) |
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### 1 - Week of manufacturing
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The fifth character represent the week in which the device was manufactured. There are 28 possible characters in this spot: **the digits 1-9 are used to represent the first through ninth weeks**, and the **characters C through Y**, **excluding** the vowels A, E, I, O, and U, and the letter S, represent the **tenth through twenty-seventh weeks**. For devices manufactured in the **second half of the year, add 26** to the number represented by the fifth character of the serial number. For example, a product with a serial number whose fourth and fifth digits are “JH” was manufactured in the 40th week of 2012.
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### 3 - Uniq Code
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The next three digits are an identifier code which **serves to differentiate each Apple device of the same model** which is manufactured in the same location and during the same week of the same year, ensuring that each device has a different serial number.
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### 4 - Serial number
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The last four digits of the serial number represent the **product’s model**.
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### Reference
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{% embed url="https://beetstech.com/blog/decode-meaning-behind-apple-serial-number" %}
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