How to Find Your Device ID (UDID) on an iPhone Easily

Learn how to quickly find your device ID (UDID) on your iPhone using iTunes or Finder.

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To find your Device ID (UDID) on your iPhone, you need to connect your iPhone to a computer. Open iTunes (or Finder on macOS Catalina and later), select your iPhone, and click on the ‘Serial Number’. When you click on the Serial Number, it will change to show your UDID. This unique identifier can be useful for app development and troubleshooting purposes.

FAQs & Answers

  1. What is a UDID? A UDID, or Unique Device Identifier, is a 40-character identifier assigned to each iOS device for app development and troubleshooting.
  2. Can I find my UDID without a computer? No, you typically need to connect your iPhone to a computer and use iTunes or Finder to view your UDID.
  3. Why do I need my iPhone's UDID? Your iPhone's UDID is often required for app development and testing purposes, as it uniquely identifies your device.
  4. How do I see my device's serial number? You can view your device's serial number in the settings under General > About, or via iTunes or Finder when connected to a computer.

Watch More

If you're interested in more iPhone tips, check out our guides on how to troubleshoot common iPhone issues and explore a deeper understanding of your device's settings.

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