Overview
- Samsung began pushing the October 2026 security update on Oct. 29–30, extending the patch to the Galaxy S24 series, Galaxy Z Fold 6, Galaxy Z Flip 6, Galaxy A57, and Galaxy Watch 9.
- The release is security‑focused and contains 62 fixes in total: 45 from Google and 17 from Samsung, including nine Google‑marked critical vulnerabilities and numerous high‑risk items.
- Regional rollouts started in different markets, with the Fold 6, Flip 6, and Watch 9 first in South Korea, the S24 series first in India, and the A57 first in Europe and the Middle East.
- U.S. owners can expect specific build numbers for affected models (for example S24: S921USQS6EZJ1 and Fold 6: F956USQS4EZJ1) and can check for the OTA via Settings > Software update > Check for updates.
- The security patch follows large One UI 9/Android 17 upgrades earlier in October and serves as routine maintenance to close vulnerabilities and improve device stability as Samsung continues staged, region‑by‑region distribution.