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Samsung Starts February 2026 Security Update for Galaxy S25 Series in Korea

The patch addresses 37 vulnerabilities with a wider release expected in the coming days.

Overview

  • Galaxy S25, S25+, and S25 Ultra are receiving firmware S93xNKSS8BZB2 in South Korea, a roughly 541.69MB download.
  • Samsung has also pushed the update to Galaxy S25 Edge and S25 FE with builds S937NKSS6BZB2 and S731NKSS5AZB2.
  • SamMobile reports the rollout will expand to additional markets shortly, and users can check via Settings > Software update > Download and install.
  • 9to5Google notes the February patch is appearing on recent foldables in Korea, including the Galaxy Z Fold 7, Flip 7, and the TriFold.
  • Samsung is testing One UI 8.5 based on Android 16 QPR2, which is expected to debut with the Galaxy S26 before reaching eligible S25 models.