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Apple sets watchOS 27 release for September 14 with Siri AI overhaul

Apple confirmed watchOS 27 will launch on September 14, bringing a dedicated Siri app with a more capable, synced assistant to Apple Watch. The update also reworks the Digital Crown into a dynamic app grid, drops Walkie-Talkie, and adds a unified Find My app plus expanded Smart Stack and Workout Buddy features. The update runs on Apple Watch Series 9 and later, Ultra 2 and later, and the new SE 3.

Apple unveils Apple Watch Series 12 with new Health Sensing System and S11 chip

Apple announced the Watch Series 12, featuring a new Health Sensing System paired with its S11 chip that enables higher-frequency heart rate and HRV monitoring, along with a new readiness score. The device also introduces Audio Intelligence features and Siri AI powered by Apple Intelligence, while a redesigned Health app with a Longevity tab and Health Age metric is set to arrive later this year.

Apple overhauls Health app with Readiness Score, Longevity tab and Quest Diagnostics lab tests

Apple used its Surprise and Shine event to introduce a redesigned Health app powered by Apple Intelligence, alongside the iPhone 18 Pro, AirPods 5 and Apple Watch Ultra 4/Series 12. The app adds a Longevity tab showing a calculated 'health age,' an Insights tab, AI-based movement tests for strength and balance, and paid blood tests through Quest Diagnostics starting at $119. The Apple Watch Series 12 also gains a Readiness score using sleep, activity and vitals data to recommend how hard users should push themselves each day.

Apple Watch adds always-listening AI features, signaling smart glasses privacy approach

Apple unveiled the Watch Ultra 4 and Watch Series 12 with two new agentic audio features, Live Rewind and Siri Recap, which let the watch continuously process ambient sound to summarize conversations or replay recent audio. This shifts the Apple Watch from a primarily health-focused device toward one that functions as an ambient AI assistant on the wrist.

Apple Watch Series 12 and Ultra 4 add faster heart sensors, Audio Intelligence

Apple unveiled the Apple Watch Series 12 and Ultra 4, both built around a redesigned health-tracking system that checks heart rate every five seconds and HRV every five minutes, which Apple calls its most accurate wearable heart sensor yet. The watches also debut Audio Intelligence, featuring sound recognition, a 15-second 'live rewind' transcription tool, and Siri-generated meeting recaps, all powered by Apple's new S11 chip.

Apple launches Watch Series 12 and Ultra 4 with faster chips, watchOS 27

Apple introduced the Watch Series 12 and Ultra 4 at its September event, keeping familiar designs but adding faster processors, upgraded health sensors, and the new watchOS 27 software. The sensor update allows continuous heart rate readings every five seconds, and both devices ship alongside watchOS 27's redesigned interface and smarter Siri.

Apple publishes privacy explainer for new Siri Audio Intelligence features

Apple released a document detailing how its newly announced Audio Intelligence features—Siri Recap, Live Rewind, Sound Recognition, and Music Recognition—process audio without storing or exposing raw recordings. The company says these features rely on a hardware-isolated 'Secure Exclave' in the Apple Watch's S11 chip, which processes sound locally and never creates an accessible audio file. Any data transferred to iPhone is encrypted between Secure Exclaves, and users must manually activate features like Live Rewind and choose what text to retain.

Apple Watch Series 12 and Ultra 4 keep prices flat despite S11 chip upgrade

Apple introduced the Apple Watch Series 12 and Apple Watch Ultra 4 at its 'Surprise and shine' event, adding upgraded health sensors, audio transcription and summary features, and a new ceramic case option for the Series 12. Both models retain the same starting prices as their predecessors, with the Series 12 at $399 and the Ultra 4 at $799.

Apple's 'Surprise and shine' event set to unveil iPhone 18 Pro and foldable iPhone Duo

Apple is holding an event at Apple Park expected to introduce the iPhone 18 Pro and a foldable iPhone Duo, alongside updates like the Apple Watch Series 12, Apple Watch Ultra 4, and AirPods 5. The event is streaming live via YouTube, Apple's TV app, and its Events website. New Apple CEO John Ternus posted a teaser hinting at a variable aperture camera feature possibly coming to the iPhone 18 Pro Max.

Apple unveils Watch Series 12 and Ultra 4 with new S11 chip and health sensors

Apple has revealed the Apple Watch Series 12 and Ultra 4, both launching September 18th with preorders open now. The Series 12 starts at $399 for aluminum models, with titanium and ceramic options priced up to $899, and both watches run on a new S11 chip enabling Siri-powered audio features like Sound Recognition and Live Rewind. The devices also introduce upgraded heart rate sensors that enable a new Readiness score and Health Age comparison feature exclusive to these two models.

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