AirTag Won’t Update | Reliable Fix Steps

Your AirTag is supposed to update itself quietly in the background, so when it seems stuck on old firmware it can feel like something is broken. The good news is that in most cases the tag is fine, and a few small tweaks on the iPhone side are all you need.

This guide walks through why the process stalls, the exact conditions an AirTag needs for a fresh build to arrive, and what to do when nothing seems to kick the update through. You will also see how to confirm the firmware number, so you know for sure when the new version has landed.

Apple explains that AirTag firmware arrives through the paired iPhone over Bluetooth while that phone runs iOS 14.5 or later and stays online through Wi-Fi or mobile data. The tag does not talk directly to Apple’s servers; it relies on the phone as its bridge, which is why small settings on the handset matter so much.

What It Means When Your AirTag Stays On Old Firmware

Before you try to fix anything, it helps to understand how AirTag updates work behind the scenes. Apple does not give a manual update button, so there is no progress bar or download prompt to watch.

When Apple publishes a new firmware, it rolls out in waves. Your tag only receives it when several conditions line up at the same time. The paired iPhone needs iOS 14.5 or later, a steady internet link, Bluetooth on, and the Find My service active. The AirTag must sit in range for long enough with a healthy battery. If even one of those pieces is missing, the update waits.

People often think their airtag won’t update when in reality it just has not reached the front of the rollout window yet. Your goal is to remove friction so that when your turn arrives, the tag is ready to accept the firmware right away.

Newer AirTag builds sometimes depend on newer iOS versions. If your phone sits several releases behind, the firmware may never download at all. That is why pairing an AirTag with an old spare phone can hold updates back until that device also receives a modern iOS release.

AirTag Won’t Update Quick Checks

Start with fast checks that clear the most common roadblocks. These steps take only a few minutes and solve a large share of stalled AirTag updates.

Symptom	Likely Cause	Quick Action
Firmware number never changes	iPhone on old iOS	Update iOS, then keep tag nearby
Tag keeps disconnecting	Weak Bluetooth or range issue	Move tag next to iPhone and keep still
No chime, strange behavior	Low coin cell battery	Fit a fresh CR2032 cell and try again

• Check iOS version — On the iPhone paired with the tag, open the Settings app, tap General, then tap Software Update and install any waiting update.
• Confirm Bluetooth status — Open Settings, tap Bluetooth, and make sure the switch is on, then toggle it off and back on to clear minor glitches.
• Keep Find My active — Open the Find My app, tap the Items tab, and leave that screen open with the iPhone awake while the tag sits nearby.
• Place tag and iPhone together — Set the AirTag next to the phone on a desk, then leave them that way for at least thirty minutes without moving them around.
• Remove cases or covers — If the tag sits inside a thick metal holder, pop it out so radio signals reach it without extra blockage during the update.

If you work through those checks and the firmware version still does not budge over the next day or two, it is time for deeper fixes that reset radios and clear stale pairing data.

AirTag Update Not Working Deeper Fixes

This section deals with situations where the AirTag shows up in Find My yet the firmware number never advances. The goal is to refresh both the iPhone radios and the connection between phone and tag.

• Restart the iPhone — Hold the power and volume buttons, slide to power off, wait a full minute, then turn the phone back on and reopen Find My.
• Re-seat the AirTag battery — Twist the stainless cover counterclockwise, lift it off, remove the coin cell for ten seconds, then press it back until you hear a chime and close the cover.
• Forget and re-add the AirTag — In Find My, tap Items, choose the AirTag, tap Remove Item, confirm, then hold the tag near the phone to pair it again as new.
• Test with another Apple device — If you own an iPad or another iPhone on the same Apple ID, open Find My there and leave it running with the AirTag nearby.
• Check for interference sources — Move the tag and phone away from thick walls, Wi-Fi routers, or stacks of electronics that might crowd the wireless spectrum.

After each fix, give the tag a fresh update window. Leave it next to the iPhone with the screen awake for at least half an hour. The firmware package is small, so you do not need hours of contact, but the devices do need a calm period with a stable signal.

Apple notes that AirTag firmware updates arrive automatically when a tag stays within Bluetooth range of an iPhone on iOS 14.5 or later. You cannot press a button to rush that flow, which is why pairing resets and patient waiting often matter more than any single trick.

How To Check Your AirTag Firmware Version

You cannot trigger the update by hand, yet you can always see which build the tag runs. That check tells you whether your efforts are working or if the AirTag is still stuck.

1. Open the Find My app — On the paired iPhone, tap the Find My icon on the Home Screen or inside the App Library.
2. Choose the Items tab — At the bottom of the screen, tap Items so the phone lists every tag and tracker attached to your Apple ID.
3. Select your AirTag — Tap the item you are trying to update so its detail card appears with location and options.
4. Tap the name field — On the detail card, tap the name of the tag once and wait for the serial number and firmware version text to appear.
5. Compare the build number — Note the firmware version and, if needed, look it up on Apple’s AirTag firmware page to see whether it matches the latest release.

Apple publishes firmware notes on its help site, along with the iOS level each release expects. That page is worth a quick check if the version on your tag looks much older than the one described there.

If you manage several tags, it helps to write the firmware version on a small note the first time you check. Next time you repeat the steps, you can see at a glance which ones moved to a newer build and which ones still wait for their update window.

When Your AirTag Still Refuses To Update

Now and then, even with all the right conditions in place, a tag simply will not jump to the new build. At that point, the issue may sit with a staged rollout that has not reached your serial number yet, or with a hardware fault inside the tag itself.

Give the process one last long window. Leave the AirTag next to your iPhone overnight on a table near a charger, with Wi-Fi on, Bluetooth on, and Find My set to the Items tab. In the morning, tap the tag name again and see whether the firmware version moved.

• Try a different coin cell brand — Some cheap cells sag under load, so swap to a trusted CR2032 without a bitter coating and repeat the overnight sit.
• Remove and re-pair once more — Delete the item in Find My, reset the tag with the battery trick, then add it again and let it sit nearby during idle time.
• Test near another Apple device — Leave the AirTag between two Apple devices on your account so more than one radio tries to talk to it.
• Contact Apple for hardware checks — If the tag still runs an outdated build after several days of ideal conditions, reach out to Apple through the official help channels.

If Apple confirms a defect, they can walk through service options. AirTags are small and rugged, yet a hard knock or liquid damage can still leave the radio or power contacts in bad shape.

When you speak with Apple, share the firmware version, the iOS level on your phone, and the steps you already tried. That context shortens the diagnosis and helps avoid repeating the same basic suggestions.

Good Habits To Keep AirTag Updates Smooth

Once the firmware finally moves to the current release, a few habits make future updates painless. They also improve day to day tracking, so they are well worth the small effort.

Small routine checks feel dull, yet they save you from last minute panic at an airport gate or train platform when a bag tracker shows offline just as you need it most. That protects your nerves.

• Update iOS on a regular rhythm — New AirTag builds often expect recent iOS versions, so install phone updates within a day or two of arrival.
• Give tags idle time near home base — When you are home, let keys and bags rest near the iPhone instead of parked in a car or locker across the street.
• Watch battery health cues — If Find My shows a low battery warning or the tag grows quiet, swap the CR2032 before travel or a busy week.
• Avoid long stays in heavy cases — Fancy holders look nice, yet dense shells can dull Bluetooth range, so take the tag out once in a while.
• Keep an eye on firmware news — When tech sites or Apple mention a new AirTag build, run a quick version check that week to be sure your tags are current.

If your airtag won’t update again in the future, you will know the fastest checks to run and how to create the conditions that let the silent firmware pipeline do its job.

With a healthy iPhone, a fresh coin cell, and calm wireless conditions, AirTag firmware tends to catch up on its own. Your role is simply to clear barriers so your tiny tracker can stay aligned with the latest fixes and safety tweaks from Apple.