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A serial number is a unique, identifying number or group of numbers and letters assigned to an individual piece of hardware or software. Other things have serial numbers as well, though, including banknotes and other similar documents.

The idea behind serial numbers is to identify a specific item, much like how a fingerprint identifies a specific person. Instead of some names or numbers that specify a whole range of products, a serial number is intended to provide a unique number to one device at a time.

Hardware serial numbers are embedded in the device, while software or virtual serial numbers are sometimes applied to the user who will be using the software. In other words, a serial number used for software programs are tied to the purchaser, not that specific copy of the program.

The term serial number is often shortened to just S/N or SN, especially when the word precedes an actual serial number on something. Serial numbers are also sometimes, but not often, referred to as serial codes.

Serial Numbers Are Unique

It's important to distinguish serial numbers from other identifying codes or numbers. In short, serial numbers are unique.

For example, a model number for a router might be EA2700 but that's true for every single Linksys EA2700 router; the model numbers are identical while each of their serial numbers is unique to each particular component.

How many days are left on the warranty for an iPhone, iPad, Macbook or Apple watch? Are those original Apple products? Determine the date of production and full specification. You will receive all information about your Apple device based on the Serial Number. All iPhone, iPad, iWatch, Macbook and the rest are supported. The country of origin doesn't matter. Use Apple’s “Check Coverage” website to determine the age of your device based on the expiration date of your iPhone warranty: 1. First, open the “Check Coverage” web page on your iPhone, PC, or Mac. Enter the serial number of your iPhone (see above) in the input field, confirm the code and click “Next”. Your iPhone's serial number is a treasure trove of interesting data - including its manufacture date and factory ID. Here's how to decode it. If you have an iPhone, iPad, iPod touch, or iPod, you can get the serial number from the Devices tab in iTunes preferences. You can also find your product's serial number on the original product receipt or invoice. You can also choose a product below for details about finding the serial number.

As an example, if Linksys sold 100 EA2700 routers in one day from their website, every one of those devices would have 'EA2700' somewhere on them and they would look identical to the naked eye. However, each device, when first built, had serial numbers printed on most of the components that are not the same as the others bought that day (or any day).

UPC Codes are common as well but are actually not unique like serial numbers. UPC Codes are different than serial numbers because UPC Codes are not unique to each individual piece of hardware or software, as serial numbers are.

The ISSN used for magazines and ISBN for books is different as well because they're used for whole issues or periodicals and aren't unique for every instance of the copy.

Hardware Serial Numbers

You've probably seen serial numbers many times before. Nearly every piece of the computer has a serial number including your monitor, keyboard, mouse and sometimes even your entire computer system as a whole. Internal computer components like hard drives, optical drives, and motherboards also feature serial numbers.

Serial numbers are used by hardware manufacturers to track individual items, usually for quality control.

For example, if a piece of hardware is recalled for some reason, customers are usually made aware of which particular devices need service by being provided a range of serial numbers.

Serial numbers are also used in non-tech environments like when keeping an inventory of tools borrowed in a lab or shop floor. It's easy to identify which devices need to be returned or which ones have been misplaced because each of them can be identified by their unique serial number.

Software Serial Numbers

Serial numbers for software programs are usually used to help ensure that the program's installation is only performed one time and only on the purchaser's computer. Once the serial number is used and registered with the manufacturer, any future attempt to use that same serial number can raise a red flag since no two serial numbers (from the same software) are alike.

If you're planning on reinstalling a software program you've purchased, you'll sometimes need the serial number to do so. See our guide on how to find a serial key if you need to reinstall some software.

Sometimes, you might find that a software program can attempt to make a serial number for you that you can use to activate a program illegally (since the code wasn't legally purchased). These programs are called keygens (key generators) and should be avoided.

A serial number for a piece of software is not usually the same as a product key but they are sometimes used interchangeably.

Enter Iphone Serial Number Decode

Iphone Serial Number Iphone X

The IMEI number or in other words International Mobile Equipment Identity is a unique 15-digit code that precisely identifies the device with the SIM card input. The first 14 digits are defined by GSM Association organization. The last digit is generated by an algorithm named Luhn formula and it has a control character. This number is an individual number assigned to each and every phone all over the world. The easiest way to IMEI check on any phone is to use the *#06# sequence.
The IMEI was created because the SIM card number cannot be a permanent identifier of the device. The SIM Card is associated with the user and can be easily transferred from the phone to another phone that’s why IMEI was developed.
Why would you need to check the IMEI Number? The number is useful when you would like to send the device for service to fill out warranty forms. Besides that, if you want to report a stolen or a lost phone at the police or network operator you should use the IMEI Number as well. After that you can block your phone and it will make the device unusable, regardless of whether the SIM card is changed or removed. What is also really important is that IMEI contains a few secret information about the product but also sometimes allows you to locate the smartphone.

How to use check IMEI function? How to extract secret information from IMEI Number? The imei.info is the best answer to this question. All you need is to use our IMEI checker function. By using our free lookup function we use the first six digits of IMEI called TAC (Type Approval Code) to find the exact model of the device. Afterwards when the search IMEI engine will find your phone the specification will be displayed on the screen. Here you can read the secret info about your device and the basic specification. One of the most important features of IMEI.info lookup function are the online checkers such as warranty info, simlock status, IMEI carrier check, blacklist report. On our site you can use all of this IMEI service checks and simple check IMEI feature completely free.