The next three digits are the only ones without any real meaning, since they’re simply used to make sure the serial numbers are unique for units with identical configurations that were made at the same location, during the same week.įinally, it’s the last four numbers that contain information about the actual device and its configuration, such as whether it’s a MacBook or an iPhone, and details about storage capacities, colours, and so forth. The next two characters are also used to indicate the year (C through Z) and week (1–9) of production, and what’s interesting is that Apple actually began recycling these numbers last year, since it ran out of letters after “Z” was used for the latter half of 2019.Īpple never used “A” or “B” in this position, but rather went back to “C” for the first half of 2020 and “D” for the second half - both letters that previously represented products manufactured in 2010. For example, except for “F” and “FC” which represent Fremont, California, and Fountain, Colorado (respectively), most (but not all) of the other serial numbers beginning with the letter “F” are for products made by Foxconn in China, making these by far the most common serial numbers on Apple products, although there are other combinations for China and many other countries from the U.S. The first three characters of an Apple serial number identify the country or location of manufacture. Deconstructing Apple Serial Numbersįor years, Apple’s serial numbers have followed such a standardized format that multiple websites have popped up to help users decipher them to figure out information about their devices, such as when and where they were manufactured. However, this only appears to be affecting new products that Apple hasn’t yet released to avoid confusion, all currently shipping Apple products, even new ones yet to be manufactured, will continue using the current serial number format.Īlso, although it will affect the actual serial numbers used for iPhones and cellular-capable iPads and Apple Watches, IMEI numbers will not be impacted, as these still have to follow an international standard, and Apple technically only controls six of the digits within an IMEI anyway. However, in an internal AppleCare memo seen by MacRumors, Apple has told its employees and partners that it will be using a new serial number format, consisting of a randomized alphanumeric string of 8–14 characters, no part of which will include any manufacturing or configuration information.Īccording to the email, the transition is scheduled to begin in “early 2021” - in other words, very soon. To be fair, none of this is highly personal information, but there’s also a case to be made that it shouldn’t be so readily available simply from deconstructing the number itself, especially now that Apple provides readily accessible databases that Apple Stores and Apple Authorized Service Providers can use to validate serial numbers and look up these details. In a further move to improve user privacy, Apple has just informed its authorized service providers that it plans to begin using completely randomized serial numbers for its future products - a change that could come into effect in the next few weeks.Īlthough many people don’t realize it, there’s actually a pattern to Apple’s current serial number format that allows a fair bit of information to be gleaned just by analyzing the serial number, including when and where the product was made and other details like the model, colour, and storage capacity.
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