 | |
 An Apple AirTag | |
| Developer | Apple |
|---|---|
| Manufacturer | Foxconn |
| Type | Key finder |
| Release date | Announced on April 20, 2021; 4 years ago (2021-04-20) |
| Availability | Available since April 30, 2021; 4 years ago (2021-04-30) |
| Connectivity | Bluetooth LE,UWB,NFC |
| Power | CR2032button cell |
| Current firmware | 2.0.73 (2A73) |
| Online services | Find My network |
| Dimensions | Diameter: 31.9 mm (1.26 in) Thickness: 8 mm (0.31 in) |
| Weight | 11 g (0.39 oz) |
| Website | apple.com/airtag |
AirTag is atracking device developed byApple.[1] AirTag is designed to act as akey finder, which helps people find personal objects such as keys, bags, apparel, small electronic devices and vehicles. To locate lost or stolen items, AirTags use Apple's crowdsourcedFind My network, estimated in early 2021 to consist of approximately one billion devices worldwide that detect and anonymously report emittedBluetooth signals.[2] AirTags are compatible with anyiPhone,iPad, oriPod Touch device capable of runningiOS/iPadOS 14.5 or later, includingiPhone 6S or later (includingiPhone SE 1,2 and3). Using the built-inU1 chip oniPhone 11 or later (exceptiPhone SE andiPhone 16e models), users can more precisely locate items usingultra-wideband (UWB) technology. AirTag was announced on April 20, 2021,[3][4] made available for pre-order on April 23, and released on April 30.
The product was rumored to be under development in April 2019.[5] In February 2020, it was reported thatAsahi Kasei was prepared to supply Apple with tens of millions ofultra-wideband (UWB) parts for the rumored AirTag in the second and third quarters of 2020, though the shipment was ultimately delayed.[6] On April 2, 2020, a YouTube video on Apple Support[7] page also confirmed AirTag.[8] In Apple'siOS 14.0 release, code was discovered that described the reusable and removable battery that would be used in the AirTag.[9][10] In March 2021,Macworld stated that iOS 14.5 beta'sFind My user interface included "Items" and "Accessories" features meant for AirTag support for a user's "backpack, luggage, headphones" and other objects.[11]AppleInsider noted that the beta included safety warnings for "unauthorized AirTags" persistently in a user's vicinity.[12]
In May 2024, Bloomberg reported that Apple was preparing a new version of the AirTag, codenamed B589.[13][14]
AirTags can be interacted with using theFind My app. Users may trigger the AirTag to play a sound from the app. iPhones equipped with theU1 or U2 chip can use "Precision Tracking" to provide direction to and precise distance from an AirTag. Precision Tracking utilizesultra-wideband.[15]
AirTags are notsatellite navigation devices. AirTags are located on a map within the Find My app by utilizing Bluetooth signals from other anonymous iOS and iPadOS devices out in the world. To help prevent unwanted tracking, aniOS/iPadOS device will alert their owner if someone else's AirTag seems to be with them, instead of with the AirTag's owner, for too long.[16] If an AirTag is out of range of any Apple device for a random duration between 8 and 24 hours,[17] it will begin to beep to alert a person that an AirTag may have been placed in their possession.[18]
Users can mark an AirTag as lost and provide a phone number and a message. Any iPhone user can see this phone number and message with the "Identify Found Item" feature within the Find My app, which utilizesnear-field communication (NFC) technology. Additionally, devices with NFC capabilities can identify an AirTag with a tap, which will redirect to a website containing the message and phone number.[15][19]
AirTag requires anApple Account and iOS or iPadOS 14.5 or later.[20] It uses the CR2032button cell battery, replaceable with one year of battery life (though some batteries with child-resistantbitterants cannot be used due to the design of the AirTagbattery terminal).[21] The maximum range of Bluetooth tracking is estimated to be around 30 meters.[22][23] The water-resistance of an AirTag is ratedIP67 water and dust; an AirTag can withstand 30 minutes of water immersion in standard laboratory conditions. Each Apple Account is limited to 32 AirTags.[9]
Apple does not provide a way for users to force an AirTag to carry out a firmware update.[24] Firmware updates may happen automatically whenever an AirTag is in Bluetooth range of the paired iPhone (running iOS 14.5 or later) and both devices have sufficient battery.[25]
| Previous release | Current release |
| Version | Build | Deployment limit | Release date | Release notes[25] |
|---|---|---|---|---|
| 1.0.225 | Initial version at launch[26] | |||
| 1.0.276 | 1A276d[27] | 2% | June 3, 2021 | Modifies the time period before an AirTag will play a sound after being separated from its owner. Originally three days, the update shortens the period to a randomized window ranging from eight to 24 hours.[28] |
| 1A287a[29] | 10% | June 12, 2021 | ||
| 1A287b[30] | 100% | June 22, 2021 | ||
| 1.0.291 | 1A291a[31] | 1% | August 26, 2021 | Unknown |
| 1A291c[32] | 10% | August 31, 2021 | ||
| 1A291e[33] | 25% | September 7, 2021 | ||
| 1A291f[34] | 100% | September 14, 2021 | ||
| 1.0.301 | 1A301[35] | 1% | April 26, 2022 | Tuning the unwanted tracking sound to more easily locate an unknown AirTag. |
| 10% | May 3, 2022 | |||
| 25% | May 9, 2022 | |||
| 100% | May 13, 2022 | |||
| 2.0.24 | 2A24e[36] | 1% | November 10, 2022 |
|
| 10% | November 17, 2022 | |||
| 25% | November 24, 2022 | |||
| 100%[a] | December 1, 2022 | |||
| 2.0.36 | 2A36[37] | 25% | December 12, 2022 | Resolves an issue with the accelerometer not activating in certain scenarios. |
| 100% | December 16, 2022 | |||
| 2.0.61 | 2A61[38] | 1% | October 31, 2023 | Bug fixes and other improvements. |
| 10% | November 7, 2023 | |||
| 25% | November 14, 2023 | |||
| 100% | November 28, 2023 | |||
| 2.0.73 | 2A73[39] | 1% | March 19, 2024 | No declared release notes.[40] |
| 10% | March 26, 2024 | |||
| 25% | April 2, 2024 | |||
| 100% | April 9, 2024 | |||
AirTags have become extremely popular among travelers to track checked luggage on flights and empower them when luggage is lost by carriers.[41][42][43][44] In response,Lufthansa stated that AirTags were not permissible in luggage checked with the carrier.[45][46][47][48] The carrier backtracked after a risk assessment by German risk authorities following widespread criticism and accusations that it was seeking to avoid accountability.[49][50] TheFederal Aviation Administration has ruled that storing AirTags in checked luggage is permitted and not a safety hazard as they contain less than 100 mg of lithium.[51]
AirTags have been used to track stolen property and assist police in recovering them for return to their rightful owners.[52] In February 2023, a North Carolina family discovered that their car had been stolen. In coordination with local police, they utilized an AirTag placed in the vehicle to locate the car and were able to recover their property.[53] Police were reportedly elated at the ease at which they were able to arrest the criminals and recover the property by using the AirTag.[54]
Despite Apple's inclusion of technologies to help prevent unwanted tracking orstalking,The Washington Post found that it was "frighteningly easy" to bypass the systems put in place. It has been described as "a gift to stalkers".[55] Concerns included the built-in audible alarm taking three days to sound (since reduced to 8–24 hours[56]), and the fact that most Americans hadAndroid devices that would not receive alerts about nearby AirTags thatiPhone devices receive.[57] AirTags cannot have most of their components replaced correctly, but it has been found that AirTags with their speakers forcibly removed from the rest of the components were being used to track people. The AirTag cannot detect this change, making it harder for people to find out that an AirTag had been stalking them.[58] AirTags with their speakers removed have been found for sale on sites such aseBay andEtsy.[59] In January 2022,BBC News spoke to six women who stated that they had found unregistered AirTags inside belongings such as cars and bags.[60]
In late 2021, Apple released an app called Tracker Detect on theGoogle Play Store to help users of Android 9 or later to discover unknown AirTags near them in a "lost" state and potentially being used for malicious tracking purposes.[61][62] The app does not run in the background.[63]
In February 2022, Apple added a warning for users setting up their AirTag, notifying them that using the device to track people is illegal and the device is only meant for tracking personal belongings.[64] The AirTag chirps within 8 to 24 hours if it has been separated from the device it is paired with.[56]
The National Post in Canada reported that AirTags were placed on vehicles at shopping malls and parking lots without the drivers' knowledge, in order to track them to their homes, where the vehicles would be stolen.[65] In response, Apple announced just beforeWWDC 2021 that it had begun rolling out updates that would allow anyone with anNFC-capable phone to tap an unwanted AirTag for instructions on how to disable it, and that they had decreased the delay time for the audible alert that sounds after the AirTag is separated from its owner from three days to a random time between 8 and 24 hours.[66]
Users who set their AirTags to lost mode are prompted to provide a contact phone number for finders to call. In September 2021, security researcherBrian Krebs, citing fellow security researcher Bobby Rauch,[67] reported that the phone number field will actually accept any type of input, including arbitrary computer code, opening up the potential use of AirTags asTrojan horse devices.[68]
Similar product manufacturerTile criticized Apple for using similar technologies and designs to Tile's trackers.[16] Spokespeople for Tile made atestimony to theUnited States Congress saying that Apple was supporting "anti-competitive practices",[69] claiming that Apple had done this in the past, and that they think it is "entirely appropriate for Congress to take a closer look at Apple's business practices".[70]
AirTags do not have holes or other mechanical features that would allow them to be positively attached or affixed to the item being tracked; solutions include adhesives (glue, tape) and purpose-built accessories. Thepolyurethane AirTag Loop is the least expensive solution sold by Apple; it costs the same as a single AirTag and has been criticized as an "accessory tax".[71]
Other similar trackers claiming compatibility with Apple's "Find My AirTag" are available. While only compatible with Apple devices, they do not use Apple's proprietary Ultra Wideband (UWB) technology, and are not as accurate at finding direction and distance, though claim to be reliable;[72] however, consumer magazineWhich? reported about AirTags "it's unlikely to be much help if you've lost it somewhere really rural. We've found that the Find My network ... has the widest coverage, but it's still reliant on someone with an iOS device walking past your tracker."[73]
AirTags and equivalents using Apple's "Find My" are not supported by theAndroid operating system; while they can scan a nearby AirTag using Near Field Communication (NFC) and detect unknown AirTags, they cannot pair with a device or use advanced tracking. There are trackers for Android, including Tile,Samsung Galaxy SmartTag, and Chipolo One.[74] Various trackers use other networks, including Google'sFind My Device and proprietary networks. Accuracy in finding and locating distant objects is mostly reported as of 2025[update] to be relatively poor, while trackers using Apple's network are accurate.[73]
The vulnerability was discovered and reported to Apple by Bobby Rauch, a security consultant and penetration tester based in Boston. Rauch told KrebsOnSecurity the AirTag weakness makes the devices cheap and possibly very effective physical trojan horses.
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