watchOS 10.4 release candidate goes live for testers

Apple finally released the watchOS 10.4 release candidate, following the rollout of the iOS 17.4 release candidate by a week. The company is expected to push the stable version of these updates late this week or maybe early next week. watchOS 10.4 is the next big incremental upgrade for Apple Watch, read on for more details.

Apple seeds the release candidate build with the 21T216 firmware version. The update weighs around 257MB in size.

For unawares, Apple tests the upcoming software upgrade by pushing release candidates prior to the public release. This is the final build, indeed, the same will be released to the public most probably by the next week.

Talking about the features and changes, then watchOS 10.4 RC changelog confirms the ability to expand notifications using Double Tap, using Apple Pay with assistive touch now requires a passcode to grant the payments, addresses the false touch experience reported by some users, and also fixes the contact sync issue on the watch.

Here’s the complete release notes coming with watchOS 10.4.

  • Tap to Show Full Notification setting now allows you to double tap to expand the notification
  • Using Apple Pay with Confirm with AssistiveTouch will require a passcode for additional security and will not support double clicking the side button
  • Resolves an issue that causes some users to experience false touches on the display
  • Fixes an issue that prevents contacts from syncing to Apple Watch for some users

watchOS 10.4 Release Candidate

If your iPhone or iPad is running on the latest version of the iOS 17.4 release candidate, then you can easily sideload the watchOS 10.4 beta on your Watch.

  1. Open the Watch app on your iPhone.
  2. Tap General > Software Update.
  3. Select Beta Updates and enable watchOS 10 Developer Beta or Public Beta option.
  4. Go back and download the release candidate of watchOS 10.4.
  5. That’s it.

Make sure that your Apple Watch is charged at least 50% and connected to a WiFi network. After installing the beta profile, open the Apple Watch app on your phone, head over to General > Software Update > Download and Install, then install the new software.

Now the watchOS 10.4 RC will download and transfer to your Apple Watch. And after the completion of the installation process, your watch will restart. Once all done, you can start using your Apple Watch.

If you’ve any query, let us know in the comment section. Also, share this article with your friends.

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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 his 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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