How to Obtain the Identifier Number (UDID) for an iPhone, iPod or iPad

Easily find your iOS device's Identifier Number with this user-friendly guide

A Unique Device Identifier (UDID) is different from an iPhone or iPad's serial number. The UDID is 40 digits with both numbers and letters, and this can be used to uniquely identify your iOS device. Because of this, avoid sharing this number with untrusted parties. Here's how to obtain the identifier number (UDID) for an iPhone, iPad, or iPod.

Things You Should Know

  • Plug your iPhone or iPad into your Windows PC and open iTunes. Open your device details and click the serial number to show the UDID.
  • On Mac, plug in your device and open the Finder. Click your device, and click the number under its name to show the UDID.
  • Avoid using third-party services that claim to find your UDID. Never share this number with anyone you don't trust.
Method 1
Method 1 of 2:

Using Windows

PDF download Download Article
  1. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/4\/4b\/Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-1-Version-5.jpg\/v4-460px-Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-1-Version-5.jpg","bigUrl":"\/images\/thumb\/4\/4b\/Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-1-Version-5.jpg\/v4-728px-Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-1-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    Use the cable that came with your device or another data cable.
    • If prompted, unlock your device and tap Allow to allow permission to connect.
  2. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/f\/fa\/Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-2-Version-5.jpg\/v4-460px-Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-2-Version-5.jpg","bigUrl":"\/images\/thumb\/f\/fa\/Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-2-Version-5.jpg\/v4-728px-Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-2-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    If you don't iTunes for Windows, you can download it from the Apple website or the Microsoft Store.
    Advertisement
  3. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/e\/ee\/Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-3-Version-5.jpg\/v4-460px-Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-3-Version-5.jpg","bigUrl":"\/images\/thumb\/e\/ee\/Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-3-Version-5.jpg\/v4-728px-Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-3-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    When your device is connected, you'll see the phone icon in the top-left corner, next to the Music drop-down menu.
    • Your device details will open.
  4. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/8\/83\/Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-4-Version-5.jpg\/v4-460px-Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-4-Version-5.jpg","bigUrl":"\/images\/thumb\/8\/83\/Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-4-Version-5.jpg\/v4-728px-Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-4-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    Click the serial number . This will be listed in the first section, underneath your device type.
    • The number will change to your UDID. If you click too many times, continue clicking until the options cycle to UDID again.
  5. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/4\/45\/Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-5-Version-5.jpg\/v4-460px-Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-5-Version-5.jpg","bigUrl":"\/images\/thumb\/4\/45\/Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-5-Version-5.jpg\/v4-728px-Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-5-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    This is 40 digits with a mix of numbers and letters. If you need to save it, you can copy and paste it into another program.
    • Do not share this number with people you don't know or trust.
    6. Advertisement
Method 2
Method 2 of 2:

Using a Mac

PDF download Download Article
  1. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/3\/3e\/Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-6-Version-5.jpg\/v4-460px-Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-6-Version-5.jpg","bigUrl":"\/images\/thumb\/3\/3e\/Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-6-Version-5.jpg\/v4-728px-Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-6-Version-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    Use the cable that came with your device or another data cable.
    • If prompted, unlock your device and tap Allow to allow permission to connect.
  2. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/5\/53\/Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-7-Version-2.jpg\/v4-460px-Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-7-Version-2.jpg","bigUrl":"\/images\/thumb\/5\/53\/Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-7-Version-2.jpg\/v4-728px-Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-7-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    Open the Finder . You can find this in your dock.
  3. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/f\/fb\/Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-8-Version-2.jpg\/v4-460px-Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-8-Version-2.jpg","bigUrl":"\/images\/thumb\/f\/fb\/Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-8-Version-2.jpg\/v4-728px-Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-8-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    You'll see it listed underneath Locations in the left panel.
    • Your device details will open.
    • If you're using iTunes, click the Summary tab to view its information.
  4. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/0\/01\/Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-9-Version-2.jpg\/v4-460px-Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-9-Version-2.jpg","bigUrl":"\/images\/thumb\/0\/01\/Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-9-Version-2.jpg\/v4-728px-Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-9-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    The text will change, and you'll see your Serial Number, UDID number, and model. [1]
  5. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/9\/98\/Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-10-Version-2.jpg\/v4-460px-Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-10-Version-2.jpg","bigUrl":"\/images\/thumb\/9\/98\/Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-10-Version-2.jpg\/v4-728px-Obtain-the-Identifier-Number-%28UDID%29-for-an-iPhone%2C-iPod-or-iPad-Step-10-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"<div class=\"mw-parser-output\"><p>License: <a target=\"_blank\" rel=\"nofollow noreferrer noopener\" class=\"external text\" href=\"https:\/\/en.wikipedia.org\/wiki\/Fair_use\">Fair Use<\/a> (screenshot)<br>\n<\/p><\/div>"}
    This is 40 digits with a mix of numbers and letters. If you need to save it, you can copy and paste it into another program.
    • Do not share this number with people you don't know or trust.
    6. Advertisement

Expert Q&A

Ask a Question
200 characters left
Include your email address to get a message when this question is answered.
Submit
      Advertisement

      Tips

      Submit a Tip
      All tip submissions are carefully reviewed before being published
      Submit
      Thanks for submitting a tip for review!
      Advertisement

      You Might Also Like

      How to
      Make an iPhone App
      How to
      Update iOS
      How to
      Hard Reset an iPhone
      10 Simple Ways to Fix an iPhone or Android That Won’t Send Pictures
      How to Fix "Notifications Silenced" on iPhone Messages
      Turn Off Location Sharing on an iPhone Without Anyone Knowing
      How to Transfer Photos from iPhone to PC: 3 Simple Ways
      2 Ways to Get a Still Image from Video on iPhone or iPad
      4 Ways to Find Your Lost iPhone When It’s Offline or Dead
      6 Easy Steps to Reload Your Cash App Card at the Store
      How to Automatically Forward Text Messages to Another Phone
      How to Overlay Pictures on iPhone
      How to Fix the “iPhone Unavailable” Message: Explanation and Fixes
      How to Use the iPhone Hidden Album to Hide Private Photos
      Advertisement

      References

      1. ↑ https://support.apple.com/en-us/108037

      About This Article

      In other languages
      Thanks to all authors for creating a page that has been read 379,174 times.

      Is this article up to date?

      Advertisement