
Samsung Extends April 2026 Security Patch to Galaxy S25, S24, and S23
Samsung has begun rolling out the April 2026 security patch to the Galaxy S25 globally, and to the Galaxy S24 and S23 in Korea first, addressing 47 security issues. The S25 update is 548.89MB (firmware S93xBXXS9BZCH), while S24 and S23 updates are 456.64MB (S92xNKSS5CZCH) and 436.32MB (S91xNKSS7EZCI) respectively, with other markets likely to follow. Samsung is also advancing One UI 8.5 beta activity across these devices (S25 ninth beta, S24 second beta, and S23 beta program).













