Find Unique Device Identifier (UDID) on iPhone

UDID for the IPA file Creations

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Find Unique Device Identifier (UDID) on the iPhone

UDID stands for Unique Device ID. The UDID is a feature of Apple iOS devices. Each Apple device has a unique UDID that is made up of a sequence of 40 letters and numbers.

Why Do You Need a UDID?

An iOS device will only allow users to install applications that are approved by Apple and are in the App Store. iOS app development requires that apps submitted to the App Store are compliant with their standards. So, if you are going to create an iPhone app, you need to be able to do iOS mobile app testing. To test an application we develop for you, we need to register a device for an Apple developer account with the unique UDID.

How To Find Your UDID?

For an Apple developer to register a device for testing, you need to first find its UDID.

  • Launch iTunes & connect your iPhone, iPad or iPod (device).
  • Under Devices, click on your device
  • Next click on the ‘Serial Number’
  • This should change the Serial Number into the UDID
  • Choose ‘Edit’ and then ‘Copy’ from the iTunes menu.
  • Paste into your Email, and you should see the UDID in your email message.

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