While the interface is more cluttered than Finder, it effectively displays the UDID for copying and pasting into registration forms or support tickets. Understanding What a UDID Is The UDID, or Unique Device Identifier, is a 40-character alphanumeric string that is unique to every iOS device.
How to Locate the UDID on Your iPhone 12
This approach requires no cables or third-party software, relying only on the device you are trying to identify. Tap on the Serial Number field seven times.
Follow these steps directly on the iPhone to retrieve the information securely. Using Finder or iTunes on a Computer If you prefer to view the identifier on a larger screen or need to copy the text without typing, you can connect your iPhone to a Mac or Windows PC.
How Locate UDID On iPhone 12
Developers rely on this identifier to test beta software on specific hardware, while enterprise IT departments use it to enforce security policies. Steps on the iPhone Open the Settings app on your home screen.
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