Samsung Galaxy Watch 7 Cellular Model Now Receives Major One UI 8 Watch Update

Samsung has started rolling out the One UI 8 Watch update to the cellular version of the Galaxy Watch 7. This major software release was previously available only for the Wi-Fi model. The expansion brings the latest Wear OS 6 experience and new security patches to LTE users globally.

According to user reports on Reddit, the update is now live. This confirms Samsung’s continued commitment to enhancing its newest wearable devices with timely software support.

Update Details and Installation Guide

The new firmware carries the version number L315FXXU1BYI4. It is a substantial download, with a file size of approximately 1,920MB. This large size reflects the significant new features and system-level changes included in the update.

Alongside the new user interface, the update includes the September 2025 security patch. This patch addresses numerous vulnerabilities to protect user data and device integrity. The rollout appears to be international, based on the English-language content seen in shared screenshots.

Enhanced User Experience and Broader Impact

The One UI 8 Watch update represents a substantial leap for the Galaxy Watch 7 series. It introduces a refreshed design, new health tracking capabilities, and improved performance. These enhancements aim to provide a more intuitive and powerful smartwatch experience for all users.

This sequential rollout strategy allows Samsung to manage server load and ensure a smooth deployment. It guarantees that both Wi-Fi and cellular customers of the Galaxy Watch 7 now have access to the same advanced software features and security protections.

The deployment of the One UI 8 Watch update to the Galaxy Watch 7 LTE model marks a key milestone. It ensures a uniform and modern software experience across the entire flagship wearable lineup. This update solidifies the device’s position as a top contender in the competitive smartwatch market.

Thought you’d like to know-

What is the new firmware version for the One UI 8 Watch update?

The update arrives with firmware version L315FXXU1BYI4. It is a major release that includes the September 2025 security patch. The update is based on the new Wear OS 6 platform.

How can I install the update on my Galaxy Watch 7?

Open the Galaxy Wearable app on your connected smartphone. Navigate to Watch settings, then select Watch software update. Finally, tap on Download and install to begin the process.

What are the main features of One UI 8 Watch?

One UI 8 Watch brings a redesigned interface and new health monitoring tools. It also includes performance improvements and new customization options for watch faces and tiles.

Does this update improve device security?

Yes, the update integrates the September 2025 Android security patch. This patch fixes multiple security vulnerabilities identified in the previous software version.

Was the update released for all regions at once?

The rollout appears to be international but is likely happening in phases. Users in different countries may receive the notification at slightly different times over the coming days.