Unique Device Identifier

Unique Device Identifier may refer to:

• UDID, plural: UDIDs, a feature of Apple's devices running iOS, tvOS, watchOS, and macOS
• Unique Device Identifier (UDI), plural: UDIs, a unique identifier assigned to a medical device through the Unique Device Identification (UDI) System, within the United States, Europe, China, South Korea, Saudi Arabia and Taiwan.

This disambiguation page lists articles associated with the title Unique Device Identifier.
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