Galaxy Watch 7 Receives One UI 8.5 UI Refresh with February Update

Madhav BiradarFebruary 26, 20261 Mins read

Samsung has begun rolling out a new February 2026 firmware update for the Galaxy Watch 7 in South Korea. The newly added code in the firmware is L310XXU2BZB1, and it is 390MB in size. After the Galaxy Watch 8 series, it is the next Samsung wearable that received the February patch in the country.

To get the new version, users first have to install the newest Galaxy Wearable app version 2.2.15.26020951 on the phone. The only change in the new version is that the UI design has been changed to match the One UI 8.5 software.

Samsung has rolled new UI design change to all of its devices, including the Galaxy S25 Ultra, and the Galaxy Watches are also part of it, so update the app.

According to available information, it delivers optimization apps, services, and settings. Furthermore, the new security fixes minor bugs and helps to improve overall performance and reliability. The rollout is being carried out in stages, and availability may vary depending on region and carrier.

Changelog Details

Firmware Version: L310XXU2BZB1

Update Size: ~390MB

Security Level: February 5, 2026

OS: One UI 8.0 Watch

Changes: Bug fixes, improved security, UI Changes in the Galaxy Wearable app

Region: South Korea (expanding soon)

How to Install

Galaxy Watch 7 Bluetooth users can manually check for the update by navigating to Settings – Software update – Download and install in the Wearable app. The February update for Galaxy Watch Ultra is also expected to be released in the next few days.

Written by

Madhav Biradar

Madhav Biradar is the Lead Software Analyst and Founder of TizenHelp. With over 13 years of experience tracking the evolution of Samsung’s ecosystem—from the early days of Tizen OS to the latest One UI Build & releases — specializes in firmware deconstruction and beta-cycle analysis. Based in India, he has personally tested every flagship Galaxy device since the Galaxy S2, providing readers with hands-on insights that go beyond standard spec sheets. Expertise: One UI Updates, firmware leaks, Samsung Firmware Deployment, Galaxy Ecosystem Integration, etc.