watchOS 26 developer beta 9 now available for download

September 2, 2025

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Apple has just dropped the ninth beta of watchOS 26 for testing purposes. While all of us are waiting for the release candidate release, Apple surprised everyone with another beta. If everything goes fine with this build, we can expect the release candidate later this week or early next week.

Apple is pushing the new watchOS 26 beta 9 with 23R5350b build number. It is a small upgrade that weighs approximately. 470MB in download size. If your Apple Watch is compatible with watchOS 26, you can freely install the new software upgrade on your watch.

Apple will launch its next iPhone, the iPhone 17, and a newer model of Apple Watch on September 9. The company will release iOS 26, watchOS 26, and other operating systems to the public after this big event.

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 Beta 9 Update

First things first, you need to update your iPhone to iOS 26 ninth dev beta. Once done, you can follow these steps to install the watchOS 26 beta on your watch.

Open the Watch app on your iPhone.
Tap General > Software Update.
Select Beta Updates and enable watchOS 26 Developer Beta option.
Go back and download the ninth beta of watchOS 26.
That’s it.

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

Now the watchOS 26 beta 9 update will download and transfer to your Apple Watch.

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AUTHOR.

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.