Apple releases fourth beta of watchOS 26.1 to developers

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Apple continues beta testing watchOS 26.1 and has today released the fourth beta of the upcoming incremental update. The new beta upgrade arrives one week after the third beta and is expected to further improve watchOS 26.1 and squash known bugs and issues.

Apple pushes the new watchOS 26.1 fourth beta to compatible watch models with 23S5031a build number. If your Apple Watch is running on the watchOS 26 stable upgrade, the beta build is sized around 976MB in download size, whereas if your watch is already running on the watchOS 26.1 beta, then the incremental upgrade weighs around 300-400MB in size.

If you’re a developer, you can freely upgrade your Apple Watch to watchOS 26.1 beta. The update is available to all Apple Watch models compatible with watchOS 26.

As always, Apple didn’t mention any changes in the release notes of watchOS 26.1 fourth beta. However, we can expect bug fixes and system-wide optimizations with the upcoming update. Moving to the features list of watchOS 26, the new OS adopts the Liquid Glass design elements, Apple Intelligence-powered Workout Buddy, improved smart stack, messages, and more.

watchOS 26.1 Beta 4 Update

First things first, you need to update your iPhone to iOS 26.1 beta 4. Once done, you can follow these steps to install the watchOS 26.1 beta 4 on your watch.

  1. Open the Watch app on your iPhone.
  2. Tap General > Software Update.
  3. Select Beta Updates and enable watchOS 26.1 Developer Beta option.
  4. Go back and download the fourth beta of watchOS 26.1.
  5. That’s it.

Make sure that your Apple Watch is charged at least 50% and connected to a WiFi network.

Now the watchOS 26.1 fourth beta update will download and transfer to your Apple Watch.

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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 haneetsingh@outlook.comIn 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.