Galaxy Watch 8 series gets fifth One UI 9 Watch beta update

TL;DR

Samsung has started rolling out the fifth One UI 9 Watch beta for the Galaxy Watch 8 and Galaxy Watch 8 Classic in South Korea.

The 193.61MB update fixes installation, Nowbar, charging screen, and altimeter display issues, and includes stabilization improvements.

It also adds the October 2026 security patch, which addresses 62 security vulnerabilities.

Samsung has released the fifth One UI 9 Watch (Wear OS 7) beta update for the Galaxy Watch 8 and the Galaxy Watch 8 Classic.

Samsung is rolling out the updates in its home country, South Korea, the only region where it has made the new software's beta program available.

The update for the Galaxy Watch 8 is 193.61MB in size, carries firmware version L325NKOU3ZZJ5, and brings five changes (via Samsung Community). You can check out the official changelog below.

Applied stabilization code for device operation

Fixed installation errors when forced rebooting during software update

Fixed Watch Nowbar error

Fixed error where charging screen did not switch

Fixed altimeter information display error

The fifth beta version of One UI 9 Watch for the Galaxy Watch 8 series also brings the October 2026 security patch, which fixes 62 security issues.

To get it, open the Galaxy Wearable app on your Android smartphone and go to Watch settings > Watch software update > Download and install.

Abid Iqbal Shaik - Writer

First Samsung device: Galaxy S II

I’m a computer science engineer living in Hyderabad, India, who has a keen interest in automobiles and consumer electronics. My journalism career kicked off in 2017 with MySmartPrice where I wrote news, features, buying guides, and explanatory articles about technology among other things, and reviewed many products, including smartphones, tablets, laptops, PC components, smartwatches, audio devices, wearables, and smart home products. Since then, I have worked for 91Mobiles, Apple, and Onsitego, before finally landing on SamMobile.

Firmware Watch Galaxy Watch 8 Galaxy Watch 8 Classic Korea One UI 9 Watch South Korea Wear OS 7