AirTags update their location constantly while moving, but only send that data when your iPhone is nearby

An AirTag does not update on a fixed schedule. Instead, it broadcasts its location whenever it moves and whenever your iPhone comes within Bluetooth range to receive that broadcast. If your AirTag is sitting still on your desk, it is not sending location updates at all — it only transmits when motion is detected or when your phone connects to it.

The practical result is this: if you are actively using your AirTag (carrying it in your bag, attached to your keys), your iPhone receives location updates constantly throughout the day. If your AirTag is lost or left behind, the update frequency depends on whether other people with iPhones pass near it. An AirTag in a lost suitcase at an airport will update its location every time someone with an iPhone walks past it, because Apple's Find My network uses other people's devices to report the AirTag's location back to you.

Key Takeaways

  • AirTags do not update on a timer — they send location data only when they detect motion or when your iPhone is in Bluetooth range.
  • When you are actively carrying an AirTag, your iPhone receives constant updates throughout the day.
  • When an AirTag is lost, its location updates whenever another iPhone user passes near it, because the Find My network uses other people's devices to report its position.
  • The Find My app shows you the last known location and the time that location was recorded, so you can see how recent the information is.

What happens when your AirTag is moving with you

While you are carrying an AirTag in your pocket or bag, your iPhone stays connected to it via Bluetooth. Your phone receives location updates continuously — not once per minute or once per hour, but as the AirTag moves. This constant connection is why the Find My app can show you a real-time location when you open it, and why you can make an AirTag play a sound when ready if you need to find it in your house.

This continuous updating only works when your iPhone is close enough to maintain a Bluetooth connection, which is typically within 30 to 100 feet depending on obstacles and interference. Once you walk out of range, the updates stop until your phone reconnects.

How the Find My network updates lost AirTags

When an AirTag is separated from your iPhone, it cannot send updates on its own — it has no cellular connection and no way to reach the internet directly. Instead, it broadcasts a Bluetooth signal that any nearby iPhone can detect. When another person's iPhone picks up that signal, their phone automatically reports the AirTag's location to Apple's servers, which then notify you through the Find My app.

This means a lost AirTag's location updates only when someone else with an iPhone happens to be near it. An AirTag in a remote area might not update for days. An AirTag in a busy location like a shopping mall or airport could update multiple times per hour as different people pass by. You will see the timestamp of the last update in the Find My app, so you know whether the location is recent or hours old.

Why AirTags do not have a set update schedule

Apple designed AirTags to prioritize battery life over constant updates. If an AirTag sent location data on a fixed schedule — say, every five minutes — the battery would drain much faster. By updating only when motion is detected or when your phone is nearby, an AirTag can run for about a year on a single coin-cell battery.

The motion-detection approach also makes practical sense: if your AirTag is sitting on your nightstand, you do not need constant location updates. You know where it is. The system only generates updates when something has actually changed — when the AirTag has moved or when a new device has detected it.

Reading the timestamp in Find My

The Find My app always shows you when the last location update was recorded. If you open Find My and see "Current Location" with a recent timestamp, that information came from your own iPhone's Bluetooth connection. If you see a timestamp from an hour ago or longer, that location came from the Find My network — another person's iPhone detected your AirTag.

This timestamp is important because it tells you how reliable the location is. A location from five minutes ago is current. A location from yesterday might mean your AirTag has not moved, or it might mean nobody with an iPhone has passed near it since yesterday. The app cannot distinguish between those two situations, so the timestamp helps you interpret what you are seeing.

What affects how often your AirTag updates

Several factors change how frequently your AirTag sends location data. If your AirTag is in motion, it updates more often than when it is stationary. If you are in a crowded area, the Find My network will detect it more frequently. If your AirTag is in a remote location or a place where few people carry iPhones, updates may be sparse.

The type of iPhone also matters slightly — newer iPhones with better Bluetooth hardware may detect AirTags from slightly greater distances, which can mean more frequent updates in the Find My network. However, this difference is minor compared to the effect of population density and foot traffic in your area.

Frequently Asked Questions

Can I change how often my AirTag updates?

No. AirTag update frequency is built into how the device works and cannot be adjusted in settings. The update behavior is automatic — constant when your iPhone is nearby, and dependent on other iPhones when it is lost.

Why does my AirTag show an old location in Find My?

The timestamp shows when that location was last recorded. If it is old, either your AirTag has not moved since then, or nobody with an iPhone has detected it recently. Check whether you are in an area with fewer iPhone users, which would explain sparse updates.

Does my AirTag update when I am not using my phone?

Yes. Your AirTag continues to broadcast its location via Bluetooth even when your iPhone is locked or in your pocket. Your phone receives those updates automatically in the background.

How far away can another iPhone be and still update my AirTag's location?

The other iPhone needs to be within Bluetooth range, typically 30 to 100 feet depending on obstacles. However, because there are millions of iPhones in use, the Find My network can detect lost AirTags across cities and countries as different people pass near them.

Will my AirTag update if it is turned off?

AirTags do not have an on/off switch. They are always active and always broadcasting. The only way to stop updates is to remove the battery, which disables the device entirely.