Samsung continues the intense pace of distributing software updates for Galaxy devices in December 2025. This month’s security patch, which corrects around 68 vulnerabilities, already reaches several models, including flagships and mid-range lines. Essa expansion comes as the company prepares the second beta of One UI 8.5 for the Galaxy S25 series.
The main focus remains on improving the stability and protection of devices. Usuários in regions such as Coreia of Sul, Europa and Índia report receiving the updates in the last few days. The company prioritizes critical fixes identified in the Android and the One UI.
Several devices receive the package of around 350 MB to 500 MB, depending on the model. Installation occurs gradually, starting in selected markets before global expansion.
Advances in One UI 8.5 beta
Samsung has started development of the second beta version of One UI 8.5. Essa update is initially intended for the Galaxy S25, S25 Plus and S25 Ultra models.
The beta program expansion includes new countries such as Índia and Polônia starting in mid-December. The official rollout of the stable version is expected to take place in early 2026.
- Gradual expansion to more regions
- Focus on interface and performance refinements
- Preparing for older devices in the future
Security patch on flagships
Models like the Galaxy S24, S23, and S21 receive the December patch in several regions. The update first arrives at Coreia from Sul and Estados Unidos, with rapid expansion.
In the Galaxy S24 series, the package includes specific builds for Europa and Indonésia. The fix covers critical vulnerabilities in the operating system.
The S23 series has a slight initial delay, but is now progressing globally. Usuários check the update via the device settings.
For the S21 line, this could represent one of the last major security fixes. Support continues with quarterly patches.
Updated Intermediate Devices
Samsung distributes the patch to A lines, such as Galaxy A35, A54, A53, and A13. The rollout starts at Coreia of Sul and Índia, with packages that clear cache and improve stability.
Tablets like the Tab A9 and the Tab S8 and S10 FE series also make the list. Essas updates keep input and midrange devices protected.
- Inclusion of budget models such as A05 and A15
- Specific fixes for One UI on Android 16
- Overall improvement in user experience
Wearables and foldables on the schedule
Galaxy Watch 4 and 5 smartwatches receive the stable One UI 8 Watch. The update is based on Wear OS 6 and expands globally from Coreia to Sul and the US.
Foldables like Z Fold and Flip series integrate the security patch. The company guarantees compatibility with the latest fixes.
These devices benefit from connectivity and battery optimizations. The rollout follows the pattern of prioritizing initial markets.
Technical details of the fixes
The December patch addresses 57 Android issues, with six classified as critical. Samsung adds 11 unique fixes to the One UI.
These improvements protect personal data and prevent remote exploits. Especialistas highlight the importance of immediate installation.
The update also optimizes overall performance on compatible devices. Não includes new features, focusing exclusively on security.
Global expansion underway
Distribution accelerates in the third week of December to more regions. Usuários check availability in the system updates menu.
Samsung remains committed to extended support on premium lines. Older Modelos continue to receive essential patches.
This strategy reinforces the brand’s reliability in the Android ecosystem. Milhões of Galaxy devices are safer with these measures.
Templates highlighted in the rollout
Several mid-range devices and tablets are part of the recently updated list. The process includes automatic cleaning of unnecessary data.
Flagships like S24 Ultra receive packages of around 350 MB. Installation recommends stable Wi-Fi connection.
- Galaxy A24 and M44 among those benefiting
- Tab S8 series with dedicated builds
- Continuation to older lines