Samsung rolls out One UI 8.5 update to Galaxy Tab S11 and S11 Ultra, expands S23 series availability

Last Updated: May 21, 2026

Samsung has delivered the One UI 8.5 stable update for the Galaxy Tab S11 and Galaxy Tab S11 Ultra, marking these tablets as the first to receive the stable One UI 8.5 software.

Samsung Galaxy Tab S11 Ultra 5G

The Galaxy Tab S11’s One UI 8.5 stable update carries the firmware version X736NKOU5BZE3, while the Galaxy Tab S11 Ultra update has firmware version X936NKOU5BZE3.

Samsung Galaxy Tab S11 5G

The One UI 8.5 stable update for both tablets is currently being rolled out in South Korea, with other markets expected to follow suit shortly.

Samsung Galaxy Tab S11 Ultra
Samsung Galaxy Tab S11 Ultra

Speaking of expansion, the stable One UI 8.5 update, which was recently released for the Galaxy S23, Galaxy S23+, and Galaxy S23 Ultra in South Korea, is now being rolled out in India and Europe.

Samsung Galaxy S23 Ultra

This stable One UI 8.5 update for the Galaxy S23 series includes firmware version S91xBXXU9FZDP. The update requires a 300MB download for beta users and 4GB for non-beta users.

Samsung Galaxy S23

If you haven’t received the One UI 8.5 stable update on your device, you can manually check for it by navigating to the Settings > Software update menu.

Samsung Galaxy S23+

Via 1, Via 2

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