Apple's overhauled, AI-powered Siri has quickly become one of the biggest product stories to come out of Apple this year, arguably bigger than the upcoming foldable iPhone. The assistant arrives after roughly two years of delays and a much longer stretch during which Siri barely changed at all, so the fact that early impressions call it genuinely useful is a notable turnaround. Most of the coverage so far has focused on how the smarter Siri behaves on the iPhone, iPad and Mac, the devices people use it on most. But a quieter rollout is also happening on the wrist: the Apple Watch is getting the same AI boost this year, as long as the watch is recent enough to run watchOS 27.
What the AI upgrade actually changes on the Apple Watch
To unlock the new assistant on a watch, two conditions need to be met at once: the Apple Watch itself has to be running watchOS 27, and it has to be paired with an iPhone that supports Apple Intelligence. Once both boxes are ticked, Siri on the wrist stops behaving like the old rigid, command-based assistant and starts working more like a genuine conversational AI. You can ask it free-form questions the way you'd talk to ChatGPT or Gemini, rather than memorizing exact phrasing. It can also carry out actions inside specific apps on request, such as sending your father your flight number or playing a particular song a friend named James had shared with you earlier. On top of that, it can dig up specific information stored across the device, whether that's pulling up photos from a recent trip or recalling something buried in your notes, like the door code for an Airbnb.
Apple has paired all of this with a new dedicated Siri app, which lets you scroll back through conversations you've already had with the assistant on your other Apple devices and jump straight back into any of them from your wrist. Early impressions of Siri AI running on the Apple Watch have been positive, which suggests Apple has managed to turn the watch into a genuinely useful, pocket-sized AI assistant for quick requests when you're out and about rather than sitting at a desk.
All of this is arriving well ahead of its official release. The finished, public version of watchOS 27 isn't due until sometime this fall, yet the software carrying Siri AI is already available to install right now through Apple's beta channel. That head start comes with a trade-off that iPhone and Mac owners don't have to think about in quite the same way.
There's no downgrading once you install the watchOS 27 beta
Every beta comes with an inherent risk. Installing one means agreeing to run unfinished software in exchange for early access to features the wider public won't see for months. That can translate into bugs and glitches that wouldn't normally turn up in a finished release, some of them minor annoyances and others serious enough to get in the way of actually using the device. On an iPhone or a Mac, that risk is manageable because there's always a way out. If a beta starts causing real problems, it can be uninstalled and the device rolled back to the stable release, provided a proper backup was made beforehand so nothing important gets lost in the process.
The Apple Watch doesn't offer that same escape hatch. Once the watchOS 27 beta is installed on a watch, the device is locked to the watchOS 27 beta track until Apple finishes the entire beta cycle and ships the final release this fall. There is no way to downgrade back to watchOS 26 in the meantime. That makes trying Siri AI on the watch a genuinely one-way decision in a way it isn't on other Apple devices.
None of this is meant to scare people away from trying it. There haven't been widespread reports of watchOS 27 being unusually unstable or of it breaking Apple Watches outright. Even so, it's a real risk worth knowing about before installing watchOS 27 and Siri AI ahead of the general release this fall, since backing out simply isn't an option once the beta is on the device.
How to actually install the watchOS 27 beta
Despite that one-way catch, getting the beta onto a compatible Apple Watch isn't particularly difficult. Siri AI becomes available across Apple's compatible devices through the company's various betas, and for the Apple Watch specifically, that means enrolling in the watchOS 27 beta. Now that the public beta has been released, anyone can sign their Apple Account up for the Apple Beta Program to gain access to it.
The process has to start on the iPhone rather than the watch itself. The public beta of iOS 27 needs to be installed on the iPhone first. Once that's in place, opening the Watch app on the iPhone and going to General, then Software Update, then Beta Updates, brings up the option to select watchOS 27 Public Beta. From there, installing the update works exactly like installing any other software update, through General and then Software Update inside the Apple Watch app on the iPhone.
Which iPhones and Apple Watches actually qualify
Not every Apple Watch or iPhone will be able to run Siri AI, even with the beta installed. The Apple Watch needs to be a model that supports watchOS 27, and it needs to be paired with an iPhone capable of running Apple Intelligence. In practice, that generally means an iPhone 15 Pro or newer on the phone side, along with an Apple Watch Series 9 or newer, or an Apple Watch Ultra 2 or newer, on the wrist.
Meeting those hardware requirements still doesn't guarantee instant access to Siri AI, though. The feature doesn't switch itself on the moment the software finishes installing, you have to manually join Apple's waitlist for it first. After joining, there's no set timeline for when it actually activates on a given iPhone and Apple Watch pair. Some users have reported getting access within minutes of signing up, while others say it took several days before Siri AI actually lit up on their devices.
