How to Decode iPhone Serial Number

In case you are not aware, the serial number provides some interesting information about your iPhone, including the week it was manufactured and the factory id.

Folks at OS X Daily tell us that the serial number on the iPhone tells you the week it was manufactured, the factory where it was made and somethings which you already know such as the color and the size of the storage.

The first step is to locate the Serial Number. The easiest way to find it is to open your Settings app and navigate to General -> About -> Serial Number. You should also see the Serial Number in the Summary tab in iTunes when your iPhone is connected to the computer.

Serial numbers come in the form AABCCDDDEEF which can be read as follows:

  • AA = Factory and machine ID
  • B = Year manufactured (simplified to final digit, 2010 is 0, 2011 is 1, etc)
  • CC = Week of production
  • DDD = Unique identifier
  • EEF = iPhone model, color of device and size of storage
VR0 (iPhone 2G Silver 4GB)
WH8 (iPhone 2G Silver 8GB)
0KH (iPhone 2G Silver 16GB)
Y7H (iPhone 3G Black 8GB)
Y7K (iPhone 3G Black 16GB)
3NP (iPhone 3GS Black 16GB)
3NR (iPhone 3GS Black 32GB)
3NQ (iPhone 3Gs White 16GB)
3NS (iPhone 3Gs White 32GB)
A4S (iPhone 4 Black 16GB)
A4T (iPhone 4 Black 32GB)
E00 (iPhone 4 White 32GB) – Courtesy IyonUK
For example, the serial 79049XXXA4S is from factory 79 (presumably Foxconn), was manufactured in 2010 in the 49th week, and is a black 16GB iPhone 4.

Note: It’s not clear what’s the last three characters for all the white iPhone 4 models. So if you have one do let us know.

Unfortunately, Apple has changed the serial number generation with the CDMA iPhone 4, so this is not applicable for the CDMA iPhone 4 and iPhone 4S.

But no worries, OS X Daily reader Michael points out that this website decodes the serial number of not only previous generation iPhones but also iPhone 4S  (except it is wrongly reporting that our iPhone 4S is the sixth generation iPhone).

Let us know if you were able to decode your iPhone’s serial number.

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  • IyonUK

    E00 – White iPhone 4 32Gb. Dunno about CDMA or not.

    • IyonUK

      Just checked. Is GSM.

      • Thanks for the tip. We’ve updated the post with that info.

        • IyonUK

          The other half’s white iPhone 4 8Gb A1332 ends DPMW. (serial is 12 chars)

  • AJ

    Thanks for the information. Very helpful.. 🙂

  • Pascal_S

    The CCC field seems to contain 3 uppercase letters, hence with a maximum value of 26**3 = 17’576.
    I am suprised to see that one factory could not make more units in one week (for a single model although).

  • Factory and machine numbers are 83 on mine. Made in the 27th week of 2010. anyone know the factory identifications?

  • Moe

    Cool. Seems when I bought my iPhone 4, it was only two weeks old.

  • Lawrence

    I have a white, iPhone 4S with 64GB. The third digit in my serial number is a 9. 2009?! That doesn’t make sense.

  • Louis

    This is not always correct. I have a 3Gs which starts with 5K which means refurbished. (my phone original fell and broke). The next 3 digits are 021 which is week 21 of 2010. However, by that week Apple was already producing the New Bootrom 3Gs but mine has the Old Bootrom. The only thing I can think of is that this is NOT the manufacture date but the refurbish date which leaves you in the dark when and where you phone was manufactured.

  • Kwopau

    I have a white iphone 4S and the serial number starts with DNP…

  • Pistache

    Mine starts with DNQ
    iPhone 4s 32 GB black

  • Jack

    If you do a Google search for chipmunk(dot)nl , you will see one of the top results is ‘Klantenservice: Serienummers’ (don’t worry it is in English too) put your serial in there and it gives you all sorts of info on most apple devices:

    Serial number: 7U*******4S
    Name: iPhone 4 (GSM – UMTS)
    Model: iphone_4
    Group1: iPhone
    Generation: 4
    ModelCode: iphone_4
    Machine Model: iPhone3,1
    Model introduced: 2010
    Production year: 2010
    Production week: 38 (September)
    Production number: 30451 (within this week)
    introduced test: GOED
    CPU speed: 1.0GHz
    Family name: A1332
    Screen size: 3.5 inch
    Screen resolution: 940×640 pixels
    Colour: Black
    Capacity: 16GB
    Factory: 7U (Shenzhen, China)

  • arsh

    white iphone 4 16GB colour DZZ

  • ImAgreeing

    white iPhone 4s, 16gb, att, ends in …TDC

    • ImAgreeing

      whoops, meant 32 GB…
      different than in the article above…

  • kb10

    i have dzz at the last. what does that mean

  • John

    Can someone advise if hologram setting can be done in ipad2 and iphone 4s……

  • Djordje

    My iphone was stolen, how do serial number to find my IMEI? and from which country my iphone MD239D/A ? The house we have it all stolen from a box, in comp we just stayed serial number, since the phone has not been activated 🙁 Please help. i’m from serbia

  • pavan

    iam holding new iphone 4S with serial no.C8PGXT8ZDT9V.
    pls. let me know how to find the software version / to decode to know software version.

  • ButtMunch

    Serial number: C8PGXT8ZDT9V
    Name: iPhone 4S
    ModelCode: iphone_4S
    Group1: iPhone
    Generation: 6
    Machine Model: iPhone4,1
    Model introduced: 2011
    Production year: 2011
    Production week: 52 (December)
    introduced test: GOED
    CPU speed: 800MHz
    Family name: Become a pro user to see this information. (sorry)
    Screen size: 3.5 inch
    Screen resolution: 960×640 pixels
    Colour: Black
    Capacity: 16GB
    Factory: C8 Please tell us where this machine is manufactured.
    External link: Technical specifications by
    External link: Repair guide by iFixit
    External link: Rapid Repair sells parts and performs repairs for this iPhone
    Uitbreidingen: Uitbreidingsmogelijkheden van dit apparaat

  • iuserr

    Try to decode Apple serial number, it shows more info then other services. You can also known iPhone purchase country and carriers.

    • Frontpage

      Thanks for the link = )
      Site worked like a charm:
      Model: A1387
      Factory: C39 – Китай
      Year: 2012
      Week: 7 (13.02 – 19.02)
      Age: 2 months

  • Visco Cheats

    reply to you :ButtMunch
    PURCHASE DATE 2012-03-30
    AP IMEI NUM 013035000223215
    ICCID 89014103254823237684
    MAC ADDRESS 680927D6A6F7

  • 4s

    i have a black 4s 16 gb
    but my serial starts from c38 and it is actually 12 digits long not 11..
    so i guess this formula doesnt work for everyone

  • or you can post me serial on my facebook and i will give you info like this about your apple:
    IMEI: 012849005xxxxxx
    family: iPhone
    type: IPHONE 4 32GB BLACK
    version: 5.1
    serial: QR1412KWxxx
    mac: 7C:11:BE:19:57:C1
    iccid: 8944110065293669108
    country code: USA (United States)
    purchase date: 2010-11-08 (t1, Purchase Date Validated)
    purchase country/region: GB (United Kingdom)
    warranty coverage: Out of Warranty
    activated: yes (2012-04-27)
    registered: yes
    carrier: O2 United Kingdom
    factory locked: yes
    authorized unlocking possible: yes
    active carrier: O2 United Kingdom

  • penguino32

    uh is this 2010 or 2009