How often does an AirTag update its location?

There is no update interval, because nothing schedules a sighting. A new point exists only when a passing Apple device hears your tag and files a report. Two separate clocks are at work: how often a sighting gets relayed at all, which depends entirely on foot traffic, and how often a recorder collects new reports. Ours checks every 5 minutes.

Why is there no update interval to look up?

Because there is nothing to poll at the far end. An AirTag is not a device you can ask. It has no GPS, no SIM, and no idea where it is; it broadcasts a rotating Bluetooth identifier and has no further involvement in the process.

The location is manufactured by somebody else's phone, at a moment nobody chose, and only if that phone happened to come within Bluetooth range. An update rate, in the sense a GPS tracker has one, does not exist here to be configured.

This is the single most useful thing to understand about AirTag timing, and it explains almost every complaint about it. Irregular is the design, not the symptom.

The first clock: how often does a sighting get relayed?

This one is entirely out of your hands and out of Apple's. It is a measure of how many iPhones passed near your tag in the last hour, and of how well sound carries out of whatever the tag is inside.

• A tag in a jacket pocket on a city street can be heard continually, by many different phones.
• A tag in a suitcase in an airport terminal is heard constantly while the terminal is open and rarely once it closes.
• A tag in a self-storage unit may be heard when someone visits the unit next door, and not otherwise.
• A tag in a sealed container on a ship may produce a couple of reports in ten days, filed as it passes something.

The same tag moves through all four of those in a single house move, which is why one history can be dense one afternoon and empty for the next day and a half without anything changing about the hardware.

The second clock: how often does the recorder collect reports?

Reports filed by passing phones sit encrypted on Apple's servers until the owner's side asks for them and decrypts them locally. Something has to do that asking, on a schedule, or the reports are never turned into a location at all.

AirTag History polls the Find My network every 5 minutes and saves every report it gets back with its latitude, longitude, and timestamp. That is the only clock in the system anybody actually controls.

Turning it up would not help. Polling collects sightings that already exist; it cannot cause one. Asking every minute instead of every five would mean checking an empty mailbox five times as often on a quiet night, and would produce exactly the same map.

What do the two clocks look like together?

Roughly speaking, the network decides how many points there are to have and the polling decides how promptly they land. In a busy place the first clock runs fast enough that the second one is the binding constraint; everywhere else the first clock dominates completely.

Can you make an AirTag update more often?

Not directly. There is no frequency setting on the tag, none in Find My, and none here. A control that promised one would be lying about who is in charge of the timing.

• Placement is the real lever: near the outside of a box beats buried in the middle of it, and an upper layer of a pallet beats the centre.
• Keep it out of metal where you can. A tag taped inside a steel wall is hard to hear from a pace away.
• Two tags in the same shipment, in different places, give the network two chances to hear something.
• Route matters more than any of the above. A shipment through cities produces a rich record; the same box through empty country does not.

Everything else marketed as an update booster is either placement advice in a costume or an outright misunderstanding of who files the report.

How should you read an irregular record?

As a record of sightings, not of movement. Three points in ten minutes does not mean the item was busy, and nine hours of nothing does not mean it stood still. Both are statements about who was nearby.

The useful reading is bracketing. If a tag was at a depot at 18:40 and at a port two hundred miles away at 07:15, the gap between them is not a hole in the story. It is a documented overnight journey with two timestamped ends, and that is usually the fact somebody is disputing.

For the same reason we leave quiet stretches visible instead of drawing a straight line through them. An interpolated line implies sightings that never happened, and the moment it appears in an evidence report the honest points around it are worth less.