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Explore everything your Apple Watch can do in watchOS 11!     
Version 7.0, updated October 15, 2026
Apple Watch has become the world's best-selling watch, as well as the most popular wearable digital device. Since the device's introduction in 2015, Apple has developed numerous new watch product lines, vastly expanded the device's capabilities, and enabled developers to create entirely new apps and tools. Your Apple Watch hides an enormous amount of technical complexity behind that unassuming touch screen, and with help from author Jeff Carlson, you'll unlock every last bit of its power.
This book covers all Apple Watch models through Series 11 and Apple Watch Ultra 3, as well as all the new features introduced in watchOS 26. Jeff walks you through getting to know your Apple Watch (including how to pick one out if you haven't already), along with topics that teach you how to navigate among the watch's screens with the physical controls, taps on the screen, and Siri. You'll also find advice on customizing watch faces and sharing them with others; taking advantage of the electrocardiogram (ECG) capability blood oxygen sensor, and temperature sensor (on supported models); getting the notifications you want; handling text and voice communications; using Apple's core apps; and monitoring your heart rate, hearing, and monthly cycle to improve your overall health.
This edition of the book covers all Apple Watch models that can run watchOS 27 (namely, the Series 9, Ultra 2, and SE 3 or later, including the Series 12 and Apple Watch Ultra 4). Owners of this edition can also download the     previous     edition, which covered watchOS 26 and a wider range of models, for free.
Among the many topics covered in the book are:
Apple Watch Fundamentals:

• Setting up your Apple Watch
• How to adapt to the numerous changes in watchOS 27
• Making watch face complications work for you
• Using Control Center and the greatly improved Smart Stack
• Using Siri AI (and other Apple Intelligence features) on your watch
• How the upcoming Audio Intelligence and Call Context features will work
• Adding apps to the watch via your iPhone or the watch's built-in App Store     

Health, Fitness, and Safety Features:

• Tracking your exercise and analyzing your training load
• Doing workouts with Apple Fitness+
• Pausing your activity rings and setting different goas for each day of the week
• Using your watch to monitor sleep data and check for signs of hypertension
• Using health-related features such as the blood oxygen sensor and medication reminders
• Detecting falls and car crashes, and automatically calling for help
• Using the new Readiness score to plan your day's activity     

Communication:

• Placing and receiving phone calls on your watch
• Communicating in other languages using the Translate app
• Sending text messages, tapbacks, threaded replies, and even money via Messages
• Seeing email from only certain people     

Interacting with Other Devices:

• Finding people, devices, and items
• Controlling your home with HomeKit-compatible devices
• Understanding how the watch interacts with your iPhone
• Triggering your iPhone's camera remotely using the watch
• Controlling an Apple TV, or Music on a Mac, with the Remote app
• Unlocking a Mac with your watch     

Getting Stuff Done:

• Getting navigation directions and using the Compass app
• Adding calendar events and reminders
• Loading your watch with photos and using them to create new watch faces
• Paying at contactless terminals using Apple Pay
• Putting tickets and other Wallet items on your watch