Sunday, December 5, 2021
Smartphone news

Your iPhone can be tracked via Bluetooth — and you may not be able to stop it

Your smartphone or laptop gives off unique Bluetooth radio signals that can be identified and used to track your device’s location, says a new research study. Just turning Bluetooth off can’t always prevent this — some devices, especially Apple ones, might need to be totally powered off.

When Bluetooth is turned on, all mainstream smartphones, laptops, and smartwatches do their best to try to keep you  anonymous through randomizing network addresses and other means. But there’s enough variation in the physical radio signals sent out by each device to be able to uniquely “fingerprint” individual devices much of the time, says the University of California, San Diego study.


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