Apple explains why watchOS 27 drops support for five Apple Watch models including original Ultra

Apple Explains Why watchOS 27 Drops Support for So Many Models

Apple today detailed why five Apple Watch models will miss out on watchOS 27 and the new Siri AI features that come with it. The Apple Watch Series 6, 7, 8, SE 2, and the original Apple Watch Ultra will not receive watchOS 27, and will only get basic security updates going forward. With the update, Apple is effectively dropping three years' worth of device support in a single software update, which is unprecedented for the product line. Speaking to TechRadar, Cait Dooley, Apple Watch and Health product marketing manager, said performance requirements were behind the cutoff: With every software release across every single one of our platforms, we always want to ensure that you have the best experience, so we make power and performance a priority. The great new features in watchOS, including the capabilities of Siri AI and the new tap gesture, work best with the processing power that is in Apple Watch Series 9 and later, Ultra 2 and later, and SE 3. Dooley added that older watches paired with an iPhone running the latest software will keep working and will continue to receive security updates. David Clark, senior director of watchOS software engineering, said one of the goals of watchOS 27 was to "expand the intelligence story on Apple Watch and make it a true co-partner to Apple Intelligence." He described the watch as often "the most convenient way to interact with Siri," since it's on the wrist all day and useful for quick questions when hands are full: We really wanted to make sure the Siri experience is a singular and consistent experience, whether I decide to ask Siri on my wrist a question, or whether I have my phone in my hand and I decide to interact with Siri there. We really wanted to feel like it's one Siri, that has access to your data and is able to personalize it in a consistent way. Clark used the example of asking Siri on Apple Watch for a recipe's ingredients while grocery shopping with both hands full, then later pulling up the same list on the iPhone in an easier-to-read format. He called that handoff a "superpower." watchOS 27 is currently available in beta to developers, with a public beta expected next month ahead of official release in the fall.

'It's the most convenient way to interact with Siri': I asked Apple's senior watchOS team how to use the new Siri AI assistant on an Apple Watch, and why it's not coming to so many older models

Last week, Apple unveiled Siri AI across all its devices at its annual WWDC event. While much time was given to how you'll be able to use Apple's new virtual assistant on iPhone, iPad and Mac, the Apple Watch was overlooked -- despite the fact that, according to Apple, it's "the most convenient way to interact with Siri" more often than not. That quote comes from Apple's own David Clark, senior director of watchOS software engineering. I had the opportunity to ask Clark, as well as Cait Dooley, Apple Watch and Health Product Marketing Manager, about how they see Apple Watch users interacting with Siri AI on their wrists. Clark said one of the goals of watchOS 27 was "to expand the intelligence story on Apple Watch and make it a true co-partner to Apple Intelligence". It's doing so by being a first point of contact, as a wearable is a convenient place to house a microphone for asking Siri questions. "We really wanted to make sure the Siri experience is a singular and consistent experience, whether I decide to ask Siri on my wrist a question, or whether I have my phone in my hand and I decide to interact with Siri there. We really wanted to feel like it's one Siri, that has access to your data and is able to personalise it in a consistent way. "One of the things that Apple Watch brings to the picture is the fact that it's on your wrist all day, [so] oftentimes it's the most convenient way to interact with Siri. You can imagine you're on the go, your hands are full, you have that quick question for Siri and you can interact with Apple Watch. Of course, with the new Siri app, if you want to continue that conversation or go more deeply into some topic you're interested in, later on you can pull out your phone and pick up right where you left off." Clark gives me an example of a grocery list in a store: with hands full, he's able to ask Siri on Watch for the ingredients he needs for a particular recipe. When he gets a moment, he can then open his phone to view that ingredients list in an easier-to-read way. "Working together is that superpower," he says, "and having it all being consistently driven by your data." The elephant in the room: watchOS 27 and compatibility As the announcements were rolling out, however, there was a pall over watchOS 27 as it was announced that five older models -- the Apple Watch Series 6, 7, 8, the SE 2 and even the original Apple Watch Ultra -- won't get watchOS 27, and so won't get the new Siri AI features. They'll only receive basic security support going forward. I asked the watchOS team exactly why so many watch users have been left high-and-dry. "With every software release across every single one of our platforms, we always want to ensure that you have the best experience, so we make power and performance a priority," said Dooley. "The great new features in watchOS, including the capabilities of SIri AI and the new tap gesture, work best with the processing power that is in Apple Watch Series 9 and later, Ultra 2 and later, and SE 3. Older devices can still be paired with iPhones that are running the latest software and continue to receive security updates, so they can continue to have a great Apple Watch experience." So while you'll be able to use older your watch with iPhones running Siri AI-powered software, you won't be able to access the new and smarter assistant on your watch. Although Dooley and Clark wouldn't confirm this is the case, it's likely only Apple Watches running Apple's powerful S9 and S10 chips can handle the technical demands of Siri AI. Follow TechRadar on Google News and add us as a preferred source to get our expert news, reviews, and opinion in your feeds. Make sure to click the Follow button! And of course, you can also follow TechRadar on YouTube and TikTok for news, reviews, unboxings in video form, and get regular updates from us on WhatsApp too

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Apple's latest explanation for Siri AI on Apple Watch identifies which models support the feature, but it still doesn't explain why older watches are excluded despite requiring a nearby Apple Intelligence-enabled iPhone. A June 19 interview with TechRadar offered Apple's first public response to questions about the cutoff. Apple Watch and Health Product Marketing Manager Cait Dooley said Siri AI and other watchOS 27 features work best on newer hardware. Apple specifically pointed to Apple Watch Series 9 and later models, Apple Watch Ultra 2 and later models, and Apple Watch SE 3. WWDC 2026 introduced Siri AI as part of watchOS 27. The feature requires both a supported Apple Watch and a nearby Apple Intelligence-enabled iPhone, with support beginning on Apple Watch Series 9. TechRadar asked Apple why older Apple Watch models don't qualify. Dooley said Apple makes power and performance a priority with every software release and repeated that Siri AI works best on newer hardware. Her answer clarified the compatibility list, but it stopped short of explaining the technical reason behind the cutoff. Apple drew a clear compatibility line Siri AI on watchOS 27 supports the following models. * Apple Watch SE 3 * Apple Watch Series 9 * Apple Watch Series 10 * Apple Watch Series 11 * Apple Watch Ultra 2 * Apple Watch Ultra 3 Older models don't make the cut. * Apple Watch SE 2 * Apple Watch Series 6 * Apple Watch Series 7 * Apple Watch Series 8 * Apple Watch Ultra Apple Watch Series 8 and the first-generation Apple Watch Ultra use the S8 chip, which includes a 2-core Neural Engine. Apple Watch Series 9 introduced the S9 system-in-package with a 4-core Neural Engine that handles machine learning tasks up to twice as fast as the S8. The newer chip also brought on-device Siri processing and support for the double tap gesture. The hardware gap between supported and unsupported models provides one possible explanation for Apple's compatibility cutoff. TechRadar goes further than Apple After publishing Apple's comments, TechRadar offered its own interpretation. The publication wrote that "it's likely only Apple Watches running Apple's powerful S9 and S10 chips can handle the technical demands of Siri AI." Apple didn't make that claim. The company's explanation and TechRadar's conclusion aren't the same thing. Apple may have technical reasons for limiting Siri AI to newer watches, likely the on-device Siri processing, but its current public statements don't identify what those reasons are. Apple's own requirements make the Siri AI cutoff harder to evaluate because the feature isn't being presented as a standalone Apple Watch capability. A paired iPhone does the heavy lifting for computational needs. Apple Watch owners now have a compatibility list and a broad performance explanation. A technical explanation for why Siri AI begins with the Apple Watch Series 9 generation hasn't arrived yet.

Apple explains why watchOS 27 drops support for Apple Watch series 6, 7, 8 and Ultra

Apple is ending support for five older Apple Watch models with watchOS 27, citing performance needs for new AI-powered features and an enhanced Siri. Devices like the Series 6 and original Ultra won't get the latest software, though they'll receive security updates. This move prioritises a seamless, intelligent Siri experience across devices, with the update expected this fall. Apple has explained its decision to end watchOS 27 support for five Apple Watch models, saying the move is necessary to deliver the performance required for new artificial intelligence-powered features and an upgraded Siri experience. The company confirmed that the Apple Watch Series 6, Series 7, Series 8, Apple Watch SE (2nd generation), and the original Apple Watch Ultra will not receive watchOS 27. As per Mac Rumours, these devices will continue to receive security updates but will not gain access to the latest software features. The decision marks a significant shift for the Apple Watch lineup, with Apple effectively ending support for three years' worth of devices in a single software update, an unprecedented move for the product category. As per Mac Rumours, Cait Dooley, Apple Watch and Health product marketing manager, said the cutoff was driven by performance considerations. "With every software release across every single one of our platforms, we always want to ensure that you have the best experience, so we make power and performance a priority. The great new features in watchOS, including the capabilities of Siri AI and the new tap gesture, work best with the processing power that is in Apple Watch Series 9 and later, Ultra 2 and later, and SE 3," he explained. Dooley also clarified that older Apple Watch models paired with iPhones running the latest software will continue to function normally and receive security updates. Apple is positioning watchOS 27 as a major step forward for Siri on the wrist. According to David Clark, senior director of watchOS software engineering, one of the software update's key goals is to "expand the intelligence story on Apple Watch and make it a true co-partner to Apple Intelligence." Clark noted that the Apple Watch is often "the most convenient way to interact with Siri" because it remains accessible throughout the day and can be used in situations where a user's hands are occupied. "We really wanted to make sure the Siri experience is a singular and consistent experience, whether I decide to ask Siri on my wrist a question, or whether I have my phone in my hand and I decide to interact with Siri there. We really wanted to feel like it's one Siri, that has access to your data and is able to personalize it in a consistent way," he said. To illustrate the vision, Clark described a scenario in which a user asks Siri on their Apple Watch for a recipe's ingredients while shopping. The same information can later be accessed on an iPhone in a more readable format, creating a seamless cross-device experience. Clark described this capability as a "superpower." watchOS 27 is currently available as a developer beta. Apple is expected to release a public beta next month, ahead of the software's official launch in the fall.