Watch out for unexpected NFC Tag alerts on your iPhone

You might see one of several kinds of messages related to wireless tags near your iPhone.

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NFC tag detected on iPhone 13 while no other devices were around.

Smart Pet ID Tag: While microchipping your pet is essential, it must be transported to a vet or shelter to be scanned. Help them find their way home

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Fast Forward: What Are 'App Clips'?, by Richard Yao, IPG Media Lab

What Does It Mean When It Says NFC Tag Detected

Control Your Home with NFC Tags & iOS 13!

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What to do if you get an alert that an AirTag, Find My network accessory or set of AirPods is with you – Apple Support (UK)

ios - Swift: NFCError Code=202 Session is invalidated unexpectedly - Stack Overflow

Why is My AirTag Beeping? - GadgetMates

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Getting the found “Website NFC Tag” alert for my own AirTag.

NFC tag detected?