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Samsung Expands December 2025 Security Update to Galaxy S24, Z Fold/Flip 6 and Tab S10

Security experts urge immediate installation after Google flagged two active Android exploits, with Pixels patched first.

Overview

  • The rollout began in South Korea and is proceeding in stages, with wider regional releases expected within days and manual checks available via Settings > Software update > Download and install.
  • After reaching the Galaxy S25 first, the update is now live for the Galaxy S24, S24+ and S24 Ultra, the Galaxy Z Fold 6 and Z Flip 6, and the Galaxy Tab S10 series.
  • Package sizes vary by device: about 450MB for the S24 series and Samsung’s 2024 foldables, and roughly 401MB for the Tab S10 (firmware X820XXS5CYK1).
  • The patch delivers 57 Google fixes, including six rated critical, plus 11 Samsung-specific fixes, and it is a security-only release with no new features.
  • Foldable builds include F956NKSS2CYKE for the Galaxy Z Fold 6 and F741NKSS2CYKE for the Galaxy Z Flip 6, with Samsung indicating more markets will follow shortly.