Samsung began distributing the update on Brasil that corrects several problems reported by users of Galaxy Watch 4 after the arrival of One UI 8 Watch. The update, which had already been released in other countries at the end of January 2026, resolves instabilities such as crashes, excessive battery consumption and failures in Always On Display mode. The version also includes the January 2026 security package.
Owners of the Galaxy Watch 4 and Galaxy Watch 4 Classic can download the update directly through the Galaxy Wearable app or through the watch menu. The process requires at least 50% battery and takes about 10 minutes to complete. Após installation, the company recommends checking for pending updates on Samsung applications.
Release on the Brazilian market took place on February 4, 2026, meeting growing demand from consumers who were facing difficulties since the main update in December 2025.
Main fixes implemented
The update prioritizes operating system stability. Usuários reported random crashes that interrupted daily use of the device.
- Fixed unexpected interface freezes;
- Significant improvement in the responsiveness of menus and gestures;
- Reduction of excessive battery consumption in standby mode;
- Restoration of correct operation of Always On Display after Modo Sono.
These improvements return the Galaxy Watch 4 to the expected performance for everyday activities. The January 2026 security patch also protects against recent vulnerabilities identified by Google and Samsung itself.
How to install the update
The update process is simple and can be done in two main ways. The first option uses the Galaxy Wearable application on the connected smartphone.
The steps include opening the app, selecting the paired watch and accessing the software update section. The system automatically checks the availability of new firmware and starts the download when confirmed.
The second way is directly on the watch. Basta navigate to Configurações, tap software Atualização and select Baixar and install.
In both cases, the device must be charged at more than 50% and connected to the internet via Wi-Fi or Bluetooth. Após ends, the clock automatically restarts and applies the changes.
Issues reported after One UI 8 Watch
The arrival of One UI 8 Watch in December 2025 brought advanced health features and innovative gestures to Galaxy Watch 4. However, many users faced technical difficulties shortly after installation.
Frequent crashes affected navigation and recording of physical activities. Standby battery consumption has increased considerably on several devices.
Always On Display mode stopped reactivating correctly after the sleep period in several reports. Sensores heart rate also showed inconsistent readings in some cases.
These questions generated discussions in online forums and communities. Samsung recognized the issues and worked on the fix quickly.
Benefits of the corrected version
With the new update, Galaxy Watch 4 regains fluidity in the daily interface. Improved responsiveness makes it easier to quickly access notifications and apps.
Power management fix extends battery life in standby mode. Usuários can now get a full day of moderate use without frequent recharges.
The Always On Display returns to working reliably, keeping information visible without compromising charge duration. Updated security protections block known threats until January 2026.
These changes keep the model competitive even years after its launch. Continued support demonstrates Samsung’s commitment to older devices.
Detailed walkthrough on Galaxy Wearable
Open the Galaxy Wearable app on the smartphone paired with your watch. Certifique Make sure both devices are connected via Bluetooth.
Tap the name of Galaxy Watch 4 on the app’s home screen. Deslize to watch option Configurações and select software Atualização.
The system automatically checks for new available versions. Caso the update is ready, tap Baixar and install to start the process.
Keep your watch close to your phone while downloading and applying. A progress bar indicates real-time progress.
Upon completion, the device restarts on its own. Verifique in Configurações > Sobre the clock to confirm the new version installed.
Impact on users’ daily usage
The fix restores confidence for those using the Galaxy Watch 4 for health and exercise monitoring. Atividades like running and swimming again records accurate data.
Notifications arrive without delays or interruptions caused by crashes. The interface responds quickly to touches and gestures on the screen.
The battery lasts longer in real mixed-use scenarios. Proprietários report a significant reduction in consumption at night.
The model continues to be an affordable option for those looking for advanced smartwatch features. The update extends the useful life of the device in the Brazilian market.
Recommendations after installation
Also update Samsung apps directly on the watch after firmware. Acesse Configurações > Aplicativos > Atualizações from the Samsung app to check pending issues.
Monitor device behavior for the first few days. Caso If any instability persists, consider restarting the clock manually.
Keep Galaxy Wearable at the latest version of Play Store. Isso guarantees full compatibility with new released functions.
Periodically back up your health data in the Samsung Health app. Assim, important information is protected in case of future need.
Context of support for Galaxy Watch 4
Released in 2021, the Galaxy Watch 4 was an early adopter of the Wear OS integrated with the One UI Watch interface. The model has received regular updates over the years.
The arrival of the One UI 8 Watch represented one of the last major revisions to the line. Mesmo therefore, Samsung continues to offer security and stability fixes.
Extended support benefits millions of users who maintain the device. The company’s update policy covers four years of major versions and five years of security patches.
This approach keeps older devices functional and safe. The Galaxy Watch 4 continues to receive attention even with more recent releases in the portfolio.