Galaxy S25 receives One UI 8.5 Beta 3 with critical fixes for battery and general stability

4 min read
Samsung Galaxy S25 Ultra Foto: Samsung Galaxy S25 Ultra - Foto: Divulgação/ Samsung

Samsung began rolling out the third beta version of One UI 8.5 for the Galaxy S25 line on January 5, 2026. The update addresses issues reported by users in previous builds, with a special focus on optimizing power consumption and fixing bugs that affected the daily experience. The package, which weighs about 1.2 GB, includes the January 2026 security patch and initially reaches beta program participants in several markets.

The new build, identified by version ZZA3, resolves abnormal battery drain caused by specific applications running. Usuários of the Galaxy S25 series, including the Plus and Ultra models, reported noticeable improvements in autonomy after installation.

  • Reduced crashes when applying dynamic effects in the gallery.
  • Fixed incorrect clock display on lock screen.
  • Improved visibility of interface elements during customizations.

Main fixes implemented

Samsung focused efforts on stabilizing essential aspects of the system in One UI 8.5

Additionally, the company resolved inconsistencies in the Telefone app, specifically in bookmark management. Essa glitch prevented quick access to priority contacts, and the feature now works consistently across all scenarios.

Another important adjustment involves Now Briefing, which returns to correctly displaying contextual information on the home screen. Users gain fluid access to seamless personalized suggestions.

Performance and interface optimizations

Crashes when using live effects in the gallery no longer occur after this beta. The Samsung has refined real-time image processing, ensuring smooth transitions even on high-resolution devices.

The visibility of the search button on the add widgets screen has also received improvements. Esse detail makes it easier to customize the interface, making the process more intuitive for those who frequently adjust the home screen.

Galaxy S25 5G-
Galaxy S25 5G – Divulgação

These changes contribute to a more polished day-to-day experience. The Galaxy S25 line benefits from fast responses in multitasking and navigation.

Impact on battery life

Users who have installed One UI 8.5 Beta 3 report significant gains in battery life. Targeted optimization for specific applications reduces background consumption, allowing extended use without frequent recharges.

The inclusion of power-saving tools, refined in this release, complements the straightforward fixes. The system better manages resources such as network and processing, preserving load in situations of constant connectivity.

Initial tests indicate that autonomy can increase by up to 30% in mixed scenarios. Isso includes browsing, streaming, and light gaming depending on the Galaxy S25 series model.

Beta program participants confirm lower temperatures during heavy use. The device maintains stable performance without excessive heating.

Beta program details

The One UI 8.5 beta program opened in December 2025 exclusively for the Galaxy S25 line. Samsung has expanded access to more countries in recent weeks, allowing owners to test features early.

The third build represents an important step towards the stable version. The company collects feedback to refine final adjustments before broad release.

Interested parties can register via the Samsung Members application. The process requires acceptance of terms and regional availability.

Preparations for the stable release

Samsung plans to release stable One UI 8.5 in the first quarter of 2026. The update will reach newer devices first, with the Galaxy S26 series carrying it out of the box.

This beta incorporates the January security patch, strengthening protection against vulnerabilities. The focus on stability signals software maturity for global distribution.

Galaxy AI’s artificial intelligence features receive indirect optimizations. Isso improves integration with tools such as photo editing and virtual assistants.

Initial user experiences

Reports from those who updated highlight the general fluidity of the system after Beta 3. Correction of lags in the gallery allows quick editing of multimedia content without interruptions.

The battery maintains stable levels throughout the day with moderate use. Proprietários of Galaxy S25 Ultra notice longer screen-on sessions.

The interface gains in usability with more visible elements. Personalizações become accessible without the need for repeated manual adjustments.

Advances in everyday usability

Troubleshooting in Now Briefing restores useful contextual suggestions. The feature reliably displays reminders and relevant information.

Favorites in the Telefone app organize themselves correctly now. Chamadas quick for frequent contacts occur without errors.

These refinements increase the practicality of One UI 8.5. The Galaxy S25 series is positioned as a robust option for everyday demands.

The third beta of One UI 8.5 consolidates important advances for the Galaxy S25 line. The fixes address common complaints from previous releases and set the stage for a more refined stable update in the coming months.

Jeronimo Santos é colaborador da redação do Mix Vale, portal de notícias com cobertura de Brasil e mundo. Produz conteúdo nas editorias de economia e benefícios, com foco em informação de serviço para o leitor brasileiro. Escreve para o portal desde 2016: Formação: Marketing

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