Firmware Update: Apple WatchOS 7.3

Apple has released an update to the software that runs on the Apple Watch. Updating the Apple Watch must be done through the app on the iPhone; instructions for that are on this page to find. Version 7 of watchOS adds sleep tracking, among other things, and there is a ‘wind down’ option for the optimal time to go to bed, with Do Not Disturb mode going on. Since version 7.0.3, the following changes and improvements have been made:

watchOS 7.3

watchOS 7.3 includes new features, improvements, and bug fixes, including:

• Unity watch face—inspired by the colors of the Pan-African Flag, the shapes change throughout the day as you move creating a face that’s unique to you
• Time to Walk for Apple Fitness+ subscribers—an audio experience in the Workout app where guests share inspiring stories as you walk
• ECG app on Apple Watch Series 4 or later in Japan, Mayotte, Philippines, and Thailand
• Irregular heart rhythm notifications in Japan, Mayotte, Philippines, Taiwan, and Thailand
• Fix for an issue where Control Center and Notification Center may be unresponsive when Zoom is enabled

watchOS 7.2

watchOS 7.2 includes new features and improvements, including Apple Fitness+, a personalized fitness experience powered by Apple Watch. Additional features include low cardio fitness notifications and support for braille displays. This update also contains performance improvements.

Apple Fitness+

• A new fitness experience powered by Apple Watch with studio-style workouts available on your iPhone, iPad, and Apple TV
• Video workouts added each week in ten popular workout types: High Intensity Interval Training, Indoor Cycling, Yoga, Core, Strength, Dance, Rowing, Treadmill Walking, Treadmill Running, and Mindful Cooldown
• Fitness+ subscription available in Australia, Canada, Ireland, New Zealand, United Kingdom, and United States

This update also includes the following features and improvements:

• Option to be notified when your cardio fitness is at a low level
• Ability to review your cardio fitness level based on your age and sex in the Health app on iPhone
• Atrial fibrillation classification at heart rates above 100 BPM now offered in the ECG app in most regions where the app is available
• Support for the ECG app on Apple Watch Series 4 or later in Taiwan
• Support for braille displays with VoiceOver
• Support for Family Setup in Bahrain, Canada, Norway, and Spain (Cellular models of Apple Watch Series 4 or later and Apple Watch SE)

watchOS 7.1

watchOS 7.1 contains new features, improvements, and bug fixes.

• Adds the ability to be notified when your headphone audio level could impact your hearing
• Adds support for the ECG app on Apple Watch Series 4 or later in the Republic of Korea and Russia
• Adds support for irregular heart rhythm notifications in the Republic of Korea and Russia
• Resolves an issue that prevented some users from unlocking Mac with Apple Watch
• Fixes an issue where the screen may be dark on wrist raise for some Apple Watch Series 6 users

For information on the security content of Apple software updates, please visit this website.