Found My KeysUK item-tracker guide
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Guides to item trackers

How the networks work, how the main trackers differ, how to use them for luggage, bikes and wallets, how to change batteries — and what to do if an unknown tracker turns up.

  1. Safety Got an unknown tracker alert? What to do, step by step

    Your iPhone or Android phone has warned you that an AirTag or other tracker is moving with you. Here is what the alert means, how to find the tracker, and how to stay safe — with UK police and helpli…

  2. Safety Privacy and anti-stalking protections built into item trackers

    How Apple, Google, Samsung and Tile protect your location data, the alerts and sounds that stop trackers being used to follow people, and what UK law and guidance say.

  3. Networks How Apple Find My and Google Find Hub find your things

    A Bluetooth tracker has no GPS and no SIM. Here is how millions of other people’s phones find it for you — anonymously — and how Apple’s, Google’s, Samsung’s and Tile’s networks differ.

  4. Comparison AirTag vs Galaxy SmartTag2 vs Tile: which should you buy?

    The three best-known item trackers compared on what really matters — which phone they need, the network that finds them, batteries, water resistance and close-range finding.

  5. Travel Using a tracker in your luggage: rules, airlines and tips

    Are AirTags allowed in checked bags? Which airlines accept Find My locations for lost luggage? How to fit a tracker so it survives baggage handling — with the CAA and IATA rules.

  6. Batteries How to change the battery in an AirTag, SmartTag2 or Tile — and keep coin cells away from children

    Step-by-step battery changes for AirTag, Galaxy SmartTag2 and Tile Pro, which trackers can’t have their battery replaced, and the button-battery safety advice every household should know.

  7. Bikes Trackers for bikes: what they can and can’t do

    A hidden AirTag or similar tag can help you find a stolen bike — sometimes. Here is how bike trackers work, where to fit one, the purpose-made options, and why a good lock still comes first.

  8. Everyday Trackers for keys and wallets: tags, cards and how to attach them

    Keys and wallets are what most people track. Here is how to choose between a tag and a card, which ones need a holder, and the battery trade-offs of thin wallet trackers.

  9. Pets AirTags and pets: why a GPS tracker is a different thing

    Clipping an AirTag or other Bluetooth tag to a collar is popular, but it isn’t what they are designed for. Here’s how GPS pet trackers differ — and what they cost you in subscriptions and charging.

Quick answers in the FAQs · Networks explained