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  • Macworld UK

    Help Desk

    Aug 18, 2023 4 minutes

    WATCH OUT FOR UNEXPECTED NFC TAG ALERTS ON YOUR iPHONE

    Near-field communications (NFC) allow very short-range transmission of data from a device that can be battery-free. The field generator by the NFC reader produces the tiny amount of power required to trigger a signal. Starting with AirTag support in the iPhone 6s in 2015, all iPhone models have had some kind of ability to activate and read NFC tags. (Starting with ever earlier iPhones, all Watch models and many iPads), NFC transmission or encoding is used for Apple Pay.)

    You might have received certain kinds of NFC tag notifications. The most common are:

    AirTag: Tapping an AirTag after receiving an alert that one is near you. AirTags that aren’t registered toyou will be identified by your iPhone. When brought near or tapped, they send a web link that is connected to their unique identity code to help you determine if the AirTag is being used for unwanted tracking.

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