Samsung is deploying the October security patch to Galaxy S25, Z Fold 7, and Z Flip 7 devices following their recent One UI 9 upgrade, according to Galaxy Club. The update includes 44 Android OS fixes, some of which are classified as “critical” and address a Bluetooth security vulnerability, alongside 27 One UI improvements.
October patch fixes 44 Android vulnerabilities
The latest update focuses on security rather than new features for the Galaxy S25 series and Z 7 foldables. Galaxy Club reports that the patch resolves 44 vulnerabilities within the Android OS. Specifically, the update closes a security leak affecting Bluetooth connections.
Samsung has added 27 specific improvements to the One UI software. Devices using Exynos processors, including the Z Flip 7 models, receive an additional four improvements targeting the chip’s GPU and NPU, Galaxy Club reports.
Pro Tip: To check for the update, go to Settings > Software update > Check for updates. The installation occurs in the background and requires a restart to complete.
One UI 9 expands to Galaxy A and S23 series
While some flagship models are receiving security patches, other devices are receiving the full transition to Android 17 and One UI 9. Android Planet reports that the Galaxy S23, S23 Plus, and S23 Ultra are now receiving the update. This marks the fourth and final major OS update for the S23 series, according to Vietnam.vn.
The rollout has also reached several mid-range models. Android Planet confirms that seven Galaxy A-series phones are now eligible, while Vietnam.vn notes that the Galaxy A16, A17, A35, and A55 have received updates in South Korea.
| Device Category | Update Status | Source |
|---|---|---|
| Galaxy S25 / Z 7 Series | October Security Patch | Galaxy Club |
| Galaxy S23 Series | Android 17 / One UI 9 | Android Planet |
| Galaxy Z Flip 5 / Fold 5 | Android 17 / One UI 9 | DroidApp |
New features in One UI 9
Did you know? Samsung’s rollout speed varies by region. While some budget models like the Galaxy A07 have updated in Iran, flagship tablets like the Tab S11 Ultra remain on One UI 8.5, Vietnam.vn reports.
Reported bugs and stability issues
The rollout has not been without technical difficulties. Samsung Magazine reports that some users on Reddit and Samsung forums have noted issues with Wi-Fi connectivity, signal loss, and screen distortion.
Specific reports include:
- Overheating: Galaxy S25+ users have reported unusual heat and high battery drain even when inactive, though other S25 owners report normal temperatures, according to Samsung Magazine.
- Connectivity: A Galaxy A56 5G user reported that the device failed to detect SIM cards immediately after installation, per Samsung Magazine.
- UI Glitches: Users of the Galaxy S23, S24 Ultra, and S26 have observed changes in the notification panel blurring effect, which some believe is a deliberate adjustment to reduce lag, Samsung Magazine reports.
Android 17 rollout questions
Do the Galaxy Z Fold 5 and Flip 5 get the update?
Yes. DroidApp reports that users have confirmed the arrival of Android 17 and One UI 9 for both the Galaxy Z Flip 5 and Galaxy Z Fold 5, combined with the October security patch.
Are Samsung tablets receiving One UI 9?
Vietnam.vn reports that tablet models have been excluded from recent updates. High-end models like the Galaxy Tab S11 and Tab S11 Ultra are still running One UI 8.5 based on Android 16.
Samsung has accelerated the global rollout this week, adding more than ten devices to the list of approximately twenty models that had already received the update, Vietnam.vn reports.