Getting Your iPhone Device ID (UDID)

What is the UDID?

Each iPhone or iPod Touch use a Unique Device Identifier (UDID), which is a sequence of 40 letters and numbers that are unique to your device. It’s similar to a serial number, except that it’s much harder to guess.

Why do we need the UDID?

Our Early Customer program lets you try out new applications and features before they are available in the iTunes application store. Your iPhone can only install programs that are approved by Apple; for example, applications in the iTunes store have been approved by Apple for general distribution. For our early customers, we make a request for Apple to approve our application especially for your iPhone. We do this by telling Apple your UDID.

How do I get my UDID?

You can copy/paste your UDID from iTunes or email it directly from your device by using a special free application from the iTunes application store.

Emailing your UDID with the free “Ad Hoc Helper” application

The simple, free “Ad Hoc Helper” application can be used to email your UDID. When emailing us your device id, use

Finding your UDID in iTunes

  1. Launch iTunes and connect your iPhone.
  2. In the right pane, locate the information about your iPhone, including its name, capacity, software version, serial number, and phone number.
  3. Reveal the Identifier by clicking on the words “Serial Number:”.
  4. Copy the Identifier to your clipboard by choosing Edit -> Copy.
  5. Paste the Identifier into an email to (You should be able to paste into your mail program or web browser with Edit -> Paste).