Samsung Watch Update Enhances Health Tracking Features

Samsung's Galaxy Watch 8 update improves battery life and health tracking, sparking debate on privacy and ecosystem growth in wearables.

Samsung’s firmware update readies wearables for next-gen OS integration. TechReviewer

Published: August 22, 2025

Written by Lorena Rios

A Small Patch With Big Implications

Samsung rolled out a firmware update for its Galaxy Watch 8 and Watch Ultra in August 2025. While it might seem like a routine fix, this update quietly sets the stage for significant advancements. The 165 MB over-the-air update tackles security vulnerabilities, stabilizes Bluetooth connections, and fine-tunes battery life. The update prepares these wearables for One UI 8 Watch and Wear OS 6, hinting at a deeper integration that may redefine how users interact with smartwatches. Users can expect smoother calls and longer battery life, alongside a preview of future innovations.

Samsung uses these updates to keep its wearables competitive. Firmware patches like this one quietly refine the user experience, offering benefits beyond flashy hardware redesigns. Internal logs show a 6-8% reduction in idle power draw, translating to up to two additional hours of battery life for the 40 mm Watch 8 model. For fitness buffs, this translates to more reliable GPS tracking during urban runs, as seen in a Korean running club's pilot where post-patch watches held steady in dense cityscapes.

Health Tracking Gets Smarter, but Questions Linger

The update introduces groundwork for advanced health metrics, such as Vascular Load and Antioxidant Index, which offer deeper insights into body performance. These features enable runners and fitness enthusiasts to track metrics once confined to medical labs. A closed-beta tester reported fewer dropped Spotify Connect sessions, allowing users to focus on workout playlists without interruptions. However, the expansion of data collection brings increased responsibility. Continuous vascular monitoring raises privacy concerns, especially in regions like the EU, where regulators are scrutinizing these features under medical device rules.

Samsung navigates similar challenges in balancing innovation with user concerns. Apple's watchOS updates have long pushed health tracking, but their closed ecosystem limits third-party app flexibility. Samsung's Wear OS partnership with Google provides opportunities for developers, yet it also risks fragmentation. Some users still remember the Tizen-to-Wear OS transition in 2021, which left legacy apps behind. This update's pre-loaded Matter 1.3 libraries suggest Samsung aims for smart-home control from the wrist. However, without clear data policies, employers could misuse health data, creating ethical dilemmas.

Samsung vs. Apple: A Tale of Two Ecosystems

To understand Samsung's strategy, a comparison with Apple is insightful. While Apple's watchOS updates often focus on polish, specific details about a September 2025 update for an Apple Watch Series 10 are not available. Apple's strength lies in its seamless iPhone integration, though this often means a more restrictive ecosystem for users. Samsung, by contrast, leverages Wear OS to engage developers and carriers. The August patch's CVE-2025-33107 fix for Bluetooth vulnerabilities shows Samsung's commitment to security, matching Apple's enterprise credibility in fields like healthcare.

A US hospital network case study highlights how Samsung's timely patches bolster its enterprise credibility in regulated fields, offering a strong alternative to Apple Watch deployments. However, Samsung's carrier-specific rollouts create uneven updates globally, frustrating users in smaller markets. Apple's unified approach avoids this, but at the cost of flexibility. Both companies demonstrate that firmware updates are crucial for building trust and shaping ecosystems, extending beyond mere fixes.

What's Next for Wearables?

Samsung's update is a stepping stone. Analysts expect a Q4 2025 feature drop to enable Bedtime Tracking and on-device Gemini voice assistant, features teased at Unpacked 2025 but not yet available. The patch's efficiency tweaks, validated by a KAIST study, also extend component lifespan, a small win for sustainability. For developers, new Health SDK endpoints allow more apps to integrate continuous health tracking, potentially making Galaxy Watch 8 a hub for fitness and smart-home control.

Challenges remain, however. Full Wear OS 6 APIs are on hold until Google's certification clears, and Samsung's Knox Vault security lacks FIPS 140-3 certification, a sticking point for regulated industries. For users, the promise of smarter wearables necessitates clearer data privacy rules to address these concerns. As Samsung and Google strengthen their Wear OS partnership, upcoming updates may determine if Android wearables can gain a competitive edge over Apple's polished but rigid ecosystem.