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noun. A mobile device unique device identifier (UDID) is a distinctive alphanumeric string assigned to a mobile device, such as a smartphone or tablet, to provide a unique identification. This identifier is typically generated by the device's operating system and is used by various apps and services to track and distinguish individual devices. The UDID is unique to each device and remains constant unless the device undergoes a major software or hardware change. It helps with device management, app tracking, and targeted advertising. However, with privacy concerns, UDID usage has reduced in recent years, and alternative identifiers are now used in many cases. GPT3.5
Word Forms:
- noun.
mobile device unique device identifier (singular),
mobile device unique device identifiers (plural)
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