![]() ![]() The serial number is registered in the EEPROM memory chip, in the EFI firmware code. You probably already understood from the screenshot at the beginning of the post that you can not always trust him. The serial number is written in the "About this Mac" system. → A similar situation has already been described in this post. You can write a story that "the lid changed to the used one, so the number there is not correct." The cover can be replaced with a new one and then it will be without a serial one. But you can replace the cover, or interrupt the number. ![]() ![]() The serial number is engraved on the bottom cover. The serial uniquely identifies any poppy. The serial number is unique to each Apple device. The serial number combines all identification parameters. It can be found on the Apple website or other resources by serial number. The system does not have information about the article. But the article is written only on the box. The year of release can be viewed in the system, it is associated with the model identifier.Īnother parameter that determines the price is the equipment:įactory equipment is encrypted in the model number (for example, MC976LL / A). Model year determines the technical characteristics, and hence the price for used Mac. This number does not carry information about the specifications of the Mac.Ī1398 is a 15-inch MacBook Pro Retina, produced from 2012 to 2016, with 5 different models with different configurations. And this is, in fact, just a model of the case. I will explain on the example of my Mac.įrom the entire list on the case (on the bottom cover), only the model number is written - А1398. ![]() The identification system of MacBook models is not simple, it consists of several parameters. Anyone who cares how not to let yourself be fooled when buying a used Mac, I invite you under the cat. I have been working as an Apple computer repairman for many years, and have encountered cases of such fraud. This is used by scammers who overestimate the year of manufacture or specifications, in order to sell more expensive Mac. Many models of one series can not be distinguished by external signs. All Apple computers have a similar design. ![]()
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