Samsung’s January 2026 Security Patch Reaches Galaxy Watch 6, Tab S8/S10, Tab A9+ and A35 in Korea

Overview

• Samsung is deploying the patch in a staged rollout starting in South Korea, with broader availability expected soon.
• For the Galaxy Tab S8 and Tab S10 lines, the update is rolling out to both cellular and Wi‑Fi variants and is roughly 350MB in size, with the Tab S8 package reported at 357.74MB.
• The Galaxy Tab A9+ in South Korea is receiving builds X210XXSAEZA1 (SM‑X210) and X216NKOSAEZA1 (SM‑X216N), while the Galaxy A35 (SM‑A356N) is getting firmware A356NKSS7CZA1.
• The Galaxy Watch 6 cellular model (SM‑R935N) is receiving firmware R935NKOS1CZA1 at about 157.25MB, with the non‑cellular variant expected to follow.
• Samsung is expected to follow this campaign with a larger One UI 8.5 update after the Galaxy S26 launch.