Samsung’s February 2026 Security Patch Widens to Galaxy S23, US S23/S24 Models, and Watch 8 Series
The staggered release underscores a stability-first push ahead of One UI 8.5.
Overview
- New US firmware builds bring the February patch to the Galaxy S23 and S24 lines, following earlier waves for the S25 family and recent foldables.
- Galaxy S23 units in India are receiving firmware S91xBXXS9EZB6, a roughly 467MB download that addresses 37 security vulnerabilities.
- Galaxy Watch 8 and Watch 8 Classic updates identified by AZB1 are rolling out globally to LTE and Bluetooth models with security and stability fixes.
- This month’s sequence is atypical, with the Galaxy Watch 7 patched before the Watch 8 and the Galaxy Watch Ultra still pending.
- Samsung is preparing the broader One UI 8.5 rollout and has published a March security bulletin outlining 65 additional fixes to follow.