After releasing the October 2021 security update to the Galaxy Z Flip 3 and the Galaxy Z Fold 3 in South Korea, Samsung has released it to the unlocked units of the foldable smartphones in the US. The new update is now available on almost all carrier networks in the country.
The new update for the Galaxy Z Flip 3 has firmware version F711U1UES2AUI5, while the Galaxy Z Fold 3's newest update comes with firmware version F926U1UES1AUI5. According to Samsung, the October 2021 security patch fixes more than 60 vulnerabilities related to privacy and security. While we don't have an official changelog yet, the new updates could also bring RAM Plus, general bug fixes, and device stability improvements.
If you have an unlocked Galaxy Z Flip 3 or Galaxy Z Fold 3 in the US, you might have already received a notification of the new update. If you haven't received it yet, you can check for it manually by navigating to Settings » Software update and tapping on Download and install. You can also download the latest firmware file for your device from our database and flash it manually.
The Galaxy Z Flip 3 and the Galaxy Z Fold 3 were launched in August 2021 with Android 11-based One UI 3.1.1 out of the box. The two smartphones will get three major Android OS updates in the future.
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