watchOS 9.1 release candidate is out for developers!

Apple has pushed the new watchOS 9.1 release candidate to the developers. The public release of watchOS 9.1 is slated for Monday, i.e. October 24 alongside iOS 16.1. The newer version of watchOS comes in with a bunch of new features including the ability to download Music without plugging the watch to the magnetic charger, battery life improvements for this year’s Apple Watches, and more. Here you can check everything about the watchOS 9.1 release candidate.

Apple seeds the watchOS 9.1 release candidate build with a 20S75 build number and weighs around 209MB in size. The upgrade is available for all Apple Watch models running on watchOS 9, for unawares, the watchOS 9 is compatible with Apple Watch Series 4 and newer models. Release Candidate aka RC is the new naming for Apple’s Golden Master builds, this is the final build rolling to the testers first. The same build will be released on Monday.

Talking about the changes, then the new watchOS 9.1 RC update improves the battery life during Outdoor Walking, Running, and Hiking workouts on Apple Watch Series 8, Watch Ultra, and Watch SE 2 by minimizing the heart rate frequency and GPS readings. Apart from that, the update brings a much-needed feature – you can now download music while Apple Watch is off charger using WiFi or cellular. The last feature comes with the watchOS 9.1 release candidate is the integration of Matter, here’s the complete changelog.

  • Battery life extended during Outdoor Walking, Running, and Hiking Workouts with the ability to reduce the frequency of heart rate and GPS readings on Apple Watch Series 8, Apple Watch SE (2nd generation) and Apple Watch Ultra;
  • Music can download while Apple Watch is off charger using Wi-Fi or cellular;
  • Matter, the new smart home connectivity standard, is supported enabling a wide variety of smart home accessories to work together across ecosystem.

Install watchOS 9.1 RC on your Apple Watch

If your iPhone is running on iOS 16.1 release candidate then you can upgrade your Apple Watch to the watchOS 9.1 release candidate. If your Apple Watch is already running on watchOS 9.1 beta, then you will receive the release candidate build over the air. Here’s how you can update your watch to the release candidate.

  1. At first, open the Apple Watch app on your iPhone.
  2. Tap on My Watch.
  3. Then click on General > Software Update > Download and Install.
  4. Enter the password for confirmation.
  5. Tap on Agree to the terms and conditions.
  6. Once done, tap on install.


  • Charge your Apple Watch to at least 50% and connected to the charger.
  • Connect your iPhone to a Wi-Fi for internet connection.
  • Make sure that your iPhone is running on iOS 15.

Once you tap the install button, it will download and install the newest update on your Apple Watch. Once the installation process is completed, the watch will automatically reboot to the latest watchOS 9.1 release candidate.

If you still want to know anything, then you can leave a comment in the comment box.

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Haneet Singh

Haneet is the Founder and Editor-In-Chief of YTECHB. He has a huge passion for tinkering with latest smartphones, wearables, smart home devices, smart TVs, and more. As an avid Apple Ecosystem user, he loves customizing his iPhone and iPad to suit his needs. For tips, you can connect Haneet at In 2019, Haneet and the YTECHB team exclusively shared the wallpapers of iPhone 11 right before the launch event. In 2020, Haneet alongside his team members shared exclusive renders and official photos of two Samsung Galaxy smartphones - the Galaxy M11, and Galaxy M21. Later, the YTECHB team leaks information about Motorola's feature phones and Razr 3. In the last few months, our team shared Galaxy S24 Ultra leaks and more. You may come across with our work getting mentioned in The Times of India, India Today, Hindustan Times, NDTV, TechRadar, Digital Trends, Yahoo News, GSMArena, Android Authority, Android Central, Android Headlines, SamMobile, XDA, 9to5Google, and many other publications. He works across news, updates, features, guides, and more. If YTECHB writes about it, you can expect him to be involved in some way.

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