If you’re considering buying the new Apple AirTags location trackers, you might first want to consider where you live – reports suggest the tags aren’t working too well in buildings with loads of floors.

This was first raised by XDA Developers, in that site’s review of the AirTags, which noted issues with the elevation aspect of the product – but this flaw could be wider-reaching than the review notes.

The review states “If I’ve misplaced my keys with an AirTag key ring on one floor (say, the gym) and I’m on another floor, my iPhone will not be able to use Precision Finding (because the phone is too far away).
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