How To Find Your iPhone’s Unique Device Identifier (UDID)

When we develop an app for your company we can get a demo version of the app onto your phone so you can do a final review before we submit the app to Apple and Google. To bypass iTunes we need the UDID of your phone.

What’s a UDID?

Each iPhone or iPod Touch has a Unique Device Identifier (UDID), which is a sequence of 40 letters and numbers specific to your device. It’s like a serial number, but much harder to guess.

Why do we need a UDID?

Your iPhone can only install programs that are approved by Apple. Apple has approved applications in the App Store for general distribution, but the UDID allows beta customers to try the app before it’s in the store. Your UDID can be registered with Apple so applications can be approved of specifically for view on your iPhone.

How do you find your UDID? Follow these 5 simple steps.

To get your UDID, plug your phone into a computer and copy it out of iTunes. Here’s how:

  1. Launch iTunes and connect your iPhone.
  2. In the right pane, locate the information about your iPhone, including its name, capacity, and software version, serial number, and phone number.
  3. To reveal your UDID, click on Serial Number.
  4. Copy the UDID to your clipboard/destination by choosing Edit > Copy UDID.
  5. Paste the UDID into the chosen destination by clicking Edit > Paste.

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