SM-X940 firmware

Stock firmware and official updates for the Samsung Galaxy Tab S12 Ultra (SM-X940), by region.

Software support

Security updates untilSep 30, 2033As published by Samsung

Latest firmwareAndroid 17X940ZCU1AZH3 · built Aug 11, 2026

RegionBuildAndroidSecurity patchDateDetails

Canada XACBuildX940XXU1AZH3AndroidAndroid 17Security patch—BuiltAug 10, 2026DetailsDownload

China CHN

Builds in our firmware catalog, newest first.

BuildAndroidBuiltRegions

X940ZCU1AZH3AndroidAndroid 17BuiltAug 11, 2026Regions1 CSC

X940XXU1AZH3AndroidAndroid 17BuiltAug 10, 2026Regions12 CSCs

Display size: 369.9mm (14.6" full rectangle) / 367.2mm (14.5" rounded corners)
Resolution: 2960 x 1848 (WQXGA+)
Display type: Dynamic AMOLED 2X