Galaxy S23 and S24 Get September Security Patch, Still No One UI 9

Samsung is rolling out its September 2026 security update to the Galaxy S23 and S24 series ahead of the Android 17-based One UI 9. The patch brings 90 security fixes (58 from Google, 32 from Samsung) and weighs around 560MB on the S23 and 450MB on the S24.

• 90 security fixes: 58 from Google, 32 from Samsung
• 18 Google patches and 2 Samsung patches marked critical
• Update weighs about 560MB on S23 and 450MB on S24
• S24 rolling out globally, S23 starting in India