Samsung Expands One UI 8.5 Beta & Security Patch Updates
Samsung is ending 2025 with a flurry of activity, pushing forward with its One UI 8.5 beta program and deploying crucial security updates. These developments promise enhanced features and a more secure experience for Galaxy users, setting the stage for an exciting start to the new year.

  • ✓ Samsung officially launched the One UI 8.5 beta program for Galaxy S25 series users in select markets (Germany, India, Korea, Poland, UK, US) on December 8, 2025.
  • ✓ A second One UI 8.5 beta update for the Galaxy S25 series was released on December 22, 2025, expanding access to India and Poland.
  • ✓ The December 2025 security patch is actively rolling out, addressing 57 Android vulnerabilities—including six critical and 51 high-risk issues—and an additional 11 Samsung-specific flaws.
  • ✓ Devices such as the Galaxy Z Flip 6, Galaxy Z Fold 6, Galaxy S21 (US), Galaxy S22, Galaxy Tab S9 FE, and Galaxy S23 have already begun receiving the December 2025 security update.
  • ? The stable release of One UI 8.5 is anticipated to debut alongside the upcoming Galaxy S26 series, potentially in February 2026.
  • ? The third One UI 8.5 Beta update for the Galaxy S25 series is rumored to arrive around January 5, 2026, though this remains unconfirmed by Samsung.
  • ? Samsung is reportedly expanding One UI 8.5 internal testing to a wider range of devices, including the Galaxy Tab S8 and S9 series, with internal test builds spotted for numerous S, A, and Z series phones and tablets.
  • ? The Galaxy A07 5G has surfaced on the Google Play Console, suggesting an imminent launch.

Expected: December 21-28, 2025 (Beta expansion & Security patch rollout)

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