UDID Is a unique device identifier consisting of 40 characters: lowercase letters and numbers. It is unique for every iPhone, iPad or iPod Touchlike a passport. There are at least four options for how to view it:
The standard way to find out the UDID
Connect the device with a cable to the computer. Launch iTunes, select your device in the left column, find your serial number in the “Browse” menu (it's not a UDID yet !!), and click on it. A set of 40 numbers and letters from “a” to “f”, which you will see after clicking on the place of the serial number, is your UDID... Click Ctrl + C (Windows) or Cmd + C (Mac) to copy the number to the clipboard. Please note that the UDID does not contain any capital letters. It is better not to risk and rewrite the UDID manually - registration in the developer base is irreversible, and an error even in one character cannot be fixed.
An alternative way to find out the UDID
Download from Apple official site and install iPhone Configuration Utility ... See the screenshot further - it shows where the UDID is written.
Get.udid.io
Go to get.udid.io from your mobile Safari. You will be redirected to the automatic UDID detection service. Click the green button "Tap to find UDID", after which the service will offer to install a certificate that reads information about the UDID, IMEI and serial number of your iPhone, iPad.
Apple UDID - this is unique code, which serves to identify devices - iPad, iPhone. This security key can be useful in a wide variety of situations, from confirming the identity of the owner of a stolen gadget to updating operating system... In this article, we will explain how to find out the UDID your iPhone or iPad.
In contact with
So, UDID (Unique Device Identifier) \u200b\u200bis a 160-bit key, represented as a 40-digit alphanumeric code. The identifier can be used to register in the iOS developer program, install applications that have not yet been published in the store App Store, installing corporate applications, updating the operating system, etc. Unlike the usual IMEI, which is used to identify a device on a cellular network, the UDID is generated based on the MAC addresses of Wi-Fi and BlueTooth modems, the serial number of the device, or other hardware identifiers. Thus, it is virtually impossible to change the UDID of a device programmatically.
So the simplest way is find out UDID your iPhone or iPad without using iTunes:
1
... Go to udid.io in a web browser (Safari, Chrome, etc.) or scan this QR code: 
2
... Click on the "Tap to find UDID" button; 
3
... The system will prompt you to install an unsigned Profile Service certificate. Install it; 
4
... After installing the certificate, you will receive the model, serial number, IMEI and UDID of your iPhone or iPad; 
Using iTunes find out the UDID of iPhone or iPad even easier:
1
... Go to iTunes on Mac or PC;
2
... Select your device in the top panel;
3
... Click on the serial number with the left mouse button; 
You can bind the device UDID to the developer account using the Udidbeta service (or its analogues), which will allow, in particular, to install new version test version iOS.
IMEI, serial number, UDID ... each iPhone has so many unique identification codes that the user often has a question - why are they all needed and how they differ from each other. And if, for example, everything is less clear regarding the main functions of the IMEI and the serial number, the first is required mobile operators to identify the device on the network, the second is used to determine the capabilities warranty servicethen not everyone will answer why the UDID is needed. In this article, we will explain what this identifier is, when it is required, and how to determine it.
The answer to the question - what is the UDID is covered in the name of this term. The abbreviation UDID stands for Unique Device Identifier, which means a unique device identifier. It consists of 40 characters - letters of the Latin alphabet and numbers.
The UDID of an iPhone is the same as the IP address of a PC, thus, knowing this unique device code, it is possible to collect data on all actions of its owner. That is, UDID can be used for targeted advertising, for example. And this, as they say, is just flowers. By and large, this code allows you to spy on the user quite well. The application, which can read the unique identifier of the device, gains access to the user profile and the so-called movement protocol. In short, wherever you go and whatever you do, everything is at a glance.
Of course, surveillance of a user is illegal and Apple is taking steps to protect user data. Back in 2011, application developers were prohibited from reading the device's UDID without the user's knowledge, and the "apple" giant tirelessly monitors compliance this rule by all companies that provide their applications for the App Store - Apple's official software store.
Why do I need a UDID?
So why do you need a UDID when it opens up such extensive surveillance capabilities that we all understand can be circumvented even with the most severe control? And can he somehow be useful to an ordinary user? Yes!
Surely, each of you at least once heard such a definition as a beta version of the application. So on the official site, that is, in the App Store, beta versions cannot be found, Apple adds only successfully tested programs to its store. However, in order to test them, a target group of users is needed, which the application developer must find, and in order to send each member of this group his own program, he will need unique identifiers of their devices.
Such activity is not prohibited, but on the contrary, is the only one possible way for a developer to test a new program, but everything should be transparent here - the user consciously sends his UDID, and at the same time carefully studies the agreement between him and the developer in order to understand how and why the identification code of his device will be used. Is there a risk? Definitely. But often users really want to be the first to know about new program or to get acquainted with the improved capabilities of the "good old" application, and at the same time they believe that they have nothing to hide and send their UDID without any hesitation. Quite often, by the way, users testing the product are entitled to a certain bonus, starting with a banal cash payment, and ending with free versions finished product.
How to determine the UDID of an iPhone?
However, in order to transfer the UDID to the iPhone developer, you need to understand how to find it. We have prepared for you three ways to find out.
Via iTunes
If you have iTunes installed on your PC, then it is most convenient for you to follow this guide:
Done! It remains to copy the code and send it to the developer.
Through the "Control Panel"
If you do not use iTunes or do not have a PC on which the program is installed, you can use this instruction:
To copy the UDID click on it right click mouse and click on the line "Copy".
Through a dedicated website
If you don't have a PC at hand, but the iPhone is connected to the Internet, you can find out the UDID through a special site:
A special case
Sometimes it happens that the user, as they say, does everything awry - without understanding the issue, he downloads the beta version of the application or iOS from some left site and installs it on his device, without asking the developer to add his UDID to the list of testing the product, in As a result, the phone turns into a "brick". In this case, you need to ask the developer to perform this procedure, but how do you find out the UDID of the "brick"? Fortunately, there is a way.
Everything, it remains only to copy it!
Let's summarize
So now you know what a UDID is and how important it is to properly manage this code. Finding out the UDID is very simple - there are many ways, and you can choose the best one for yourself. By the way, on the network you will probably also find a bunch of special programs and applications for determining UDIDs, but it is worth noting that most of them, according to user reviews, do not work correctly. So we really hope that you will be satisfied with one of the methods indicated in this article.
Each iOS device has its own personal unique code, which is known to everyone under the name UDID. It may be needed by your user in order to be able to pre-test games, programs or firmware. This article will describe several options with which you can find out the UDID of your device.
Determine the UDID of the smartphone
There are two options for how to find out the UDID of the iPhone. The first method assumes using the phone, the code of which you define. The second way is to use the previously installed iTunes utility on the PC.
Method 1: web browser
By choosing this method, you do not need to download any additional software, you just need to go to the browser and perform a few simple steps.
Method 2: iTunes app
If you are used to working with iTunes software, then this method is for you. All you need to do is download the application to your computer and follow a few simple steps.
This article has described methods for determining the UDID of your iPhone. Both methods do not require any specific knowledge and skills from the user, and are carried out in just a few steps.
What is UDID? Unique Device Identifier is a 40 character unique device identifier. Everyone has it mobile device from Apple: iPad, iPhone or iPod Touch. If you want to purchase a program for or, you will need to provide us with your UDID so that we can "create a program" specifically for your device. Most of our clients have a question - “How and where can I find it?”, So today we will talk about it.
How to find out Serial number/ Identifier (UDID) of the iPhone?
This can be done, for example, using iTunes:
- launch iTunes;
- connect iPhone;
- in the menu on the left, find the DEVICES section;
- select your iPhone;
- in the main program window, on the Overview tab, left-click the Serial number line (you can copy it to the Clipboard by selecting the menu Edit –> Copy serial number, or by pressing the key combination Ctrl + C);
- the line will change to the line Identifier (UDID) (you can copy it to the Clipboard by selecting the menu Edit –> Copy identifier (UDID), or by pressing the key combination Ctrl + C);
- pressing this line again will display the line Serial number.
In addition, the serial number of the iPhone can be found in the following way:
- on home page on the main iTunes screen, click the Settings icon;
- select General -\u003e About this device;
- in the next window, find the line Serial number. Serial iPhone number also duplicated on the back of the device packaging box.
Video - how to find out the UDID