
Samsung has sent a second October update to the Galaxy S24, S24+ and S24 Ultra, but it says almost nothing about what changed, according to Tarun Vats. The whole changelog is one line: stabilization code related to terminal operation has been applied. It is not the November security patch, and the phones stay on the October patch level. If you’re on stable One UI 9, as covered when it reached the S24 series in the US, this is a small follow-up and not a feature update.
| Detail | Status |
| Phones | Galaxy S24, S24+, S24 Ultra |
| S24 Ultra build | S928BXXU6EZJB |
| S24 Ultra CSC | S928BOXM6EZJB |
| Download size | About 662MB reported; Korea was about 588MB |
| Security patch | October 2026, no November patch |
| Changelog | Stabilization code only |
The update started in South Korea first and has since been reported in Europe and Turkey, though no source lists every country. Download sizes vary by region and model, so the 662MB figure should be treated as approximate. We couldn’t confirm the Ultra’s modem string, so it isn’t listed.
Samsung hasn’t explained “terminal operation”, and the wording is vague enough that it could cover almost anything related to how the phone runs. One outlet guesses the update is a hotfix, but that is a guess. The changelog lists no security fixes, and some reports that mention a fix count don’t match it, so we wouldn’t expect added protection from this build. Nobody has reported new features either.
The real security update is still ahead, and the November patch is expected soon. The S24 series first got stable One UI 9 in South Korea, and Korea is where this stabilization build appeared first too. To check for it, open Settings, tap Software update, then Download and install.
M Adnan Akram is the founder and lead writer at Phoonomo, covering mobile technology with a primary focus on Samsung and the broader smartphone industry, alongside emerging developments in AI. He follows product launches, spec leaks, and industry trends closely to keep readers informed with timely updates.
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