This tracker follows Samsung’s One UI 9 rollout, which is based on Android 17, one Galaxy family at a time. Samsung does not publish one master schedule, so each entry below names the news source it comes from, and the page is updated as new regions or models are reported.
TL;DR: One UI 9 reached the Galaxy S26 series on September 16, 2026, starting in South Korea. The Galaxy S25 series and Z Fold7 and Flip7 followed from September 28, and the Galaxy S24 series, Z Fold6 and Flip6 followed in early October. US rollout to the S24 series was reported on October 12.
Last updated: November 1, 2026.
How Samsung rollouts work
Samsung rolls an update out by country and by carrier, in stages. South Korea usually goes first, then other regions, and US carrier models often come last. Your phone may get the update days or weeks after the first report for your model.
Samsung October 2026 security update, published October 6, 2026 (SMR-OCT-2026)
- What it is: Samsung’s monthly security update, listed in its official Security Maintenance Release bulletin.
- Fixes: Samsung’s bulletin states 27 Samsung-specific issues (SVE items), with details listed for 13 and the rest not yet disclosed. It also lists 45 Google Android fixes and 4 Samsung Semiconductor fixes, 76 entries in total.
- Exploited in the wild: Samsung’s bulletin does not say any issue was exploited. Its entries are marked privately disclosed.
- Rollout: it started on newer foldables in South Korea and then reached the Galaxy S26 series in the US and Canada, per SamMobile and Android Headlines.
- What it means for you: open Settings, then Software update, and install it when it appears.
Source: Samsung Mobile Security.
Samsung September 2026 security update, published September 8, 2026 (SMR-SEP-2026)
- What it is: the September monthly security update.
- Fixes: Samsung’s bulletin states 32 Samsung-specific issues (SVE items), with details listed for 21 and the rest not disclosed, plus 58 Google Android fixes and 1 Samsung Semiconductor fix. Samsung updated the SVE list on October 2, 2026, per its version history.
- Exploited in the wild: Samsung’s bulletin does not say any issue was exploited.
Source: Samsung Mobile Security.
One UI 9 for Galaxy S24 series, Z Fold6 and Z Flip6 (reported October 6 to 12, 2026)
- Started: South Korea, reported around October 6, 2026.
- US: Android Authority reported on October 12 that the update was reaching S24 owners on T-Mobile and AT&T, and the Z Fold6 and Z Flip6 including unlocked US models.
- Size and patch: about 4GB in the US, with the September 2026 security patch, per Android Authority.
- What it means for you: if you own one of these phones, check Settings, Software update.
Source: Android Authority.
One UI 9 for Galaxy S25 series, Z Fold7 and Z Flip7 (from September 28, 2026)
- Started: South Korea on September 28, 2026, with firmware S93xNKSUCDZIF for the S25 series, per Android Authority.
- Patch: the update screens list the September 5, 2026 security patch.
- US: SammyFans reports the update expanding to the S25 series, Z Fold7 and Z Flip7 in the US. Neoteo reports US stages from October 2 to 5. Both are secondary reports.
Source: Android Authority.
Samsung’s official One UI 9 announcements
- Beta: Samsung’s newsroom announced the One UI 9 beta on May 12, 2026, starting with the Galaxy S26 series, built on Android 17.
- Stable: Samsung’s newsroom post of September 16, 2026 says the official rollout begins that day, starting with the Galaxy S26, S26+ and S26 Ultra. It says the update will gradually reach other Galaxy devices, without naming them or giving a schedule.
- New foldables: the same post says One UI 9 has already shipped on Samsung’s new Galaxy Z foldables.
Source: Samsung Newsroom.
One UI 9 for Galaxy S26 series (from September 16, 2026)
- Started: South Korea on September 16, 2026, for the Galaxy S26, S26+ and S26 Ultra, per several outlets including TBreak and ARY News.
- Firmware: S94xBXXU4BZI6 in Europe and India for beta testers on the September 2026 patch, per SamMobile.
- US: unlocked Galaxy S26 phones that were in the beta program started getting the stable update in late September, per SammyFans.
- Beta: the One UI 9 beta began on May 13, 2026 and ran for seven builds, per Android Authority.
Source: SamMobile.
One UI 9 on new foldables (July 22, 2026, reported)
- What it is: the first devices to ship with stable One UI 9 were Samsung’s new foldables, the Galaxy Z Fold8 and Z Flip8, according to SammyFans and Tech-ish.
- Date: sources differ. One says July 22 and another says the foldables shipped in August, so treat the exact date as unconfirmed.
Source: Tech-ish.
What is next
SammyFans lists the Galaxy S23 series and Galaxy Z Fold5 and Flip5 as newly added in its October 20 list of phones with an official One UI 9 update. Mid-range A-series models are expected later in the year, but Samsung has not confirmed dates for them.
Samsung’s phones are also in the news for hardware. See our report on the Galaxy Fit 4 leaks.
Frequently Asked Questions
Which Samsung phones have One UI 9?
One UI 9 has reached the Galaxy S26, S25 and S24 series and the matching Z foldables, with more models being added.
Is One UI 9 based on Android 17?
Yes. Coverage from Android Authority and SammyFans describes One UI 9 as the Android 17 based release.
Why has my Galaxy phone not got the update yet?
Samsung rolls out by region and carrier in stages, so a phone can wait days or weeks after Korea gets the update.
