What is Unique Device Identifier (UDID)? How to find UDID?

  • What is the UDID?

Each Apple’s iPhone, iPod, and iPad have its Unique Device Identifier (UDID). UDID is a sequence of 40 letters and numbers that is specific to your device. It is a serial number but not easy to guess. It looks something like this: 2b6f0cc904d137be2e1730235f5664094b831186.

  • Why do you need the UDID?

While you are installing any program to your apple device, it allows installing only those programs which are approved by Apple. For general distribution of applications via App Store, it must be approved by Apple. But how the Beta users can try the applications before it is in the App Store. For this, you need to register your UDID with Apple so that they can review your application and approve your application exclusive to your Apple device.

  • How to get UDID?

In order to get your UDID, you have to follow below steps-

  • Launch iTunes and connect your Apple device.
  • In the summary pane, it will locate the information about your iPhone, including its name, capacity, software version, serial number, and phone number.


  • You can reveal the Identifier by clicking on Serial Number.


  • Now copy the Identifier to your clipboard by choosing Edit → Copy UDID.


You are all good, now you know the UDID of your device. Hope you enjoyed this article. Share your thoughts in the comment section and like us on Facebook for new articles.


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