SM-S948N firmware

Stock firmware and official updates for the Samsung Galaxy S26 Ultra (SM-S948N), by region.

Software support

Update policyMonthly security updatesOn Samsung's current security update list

Security updates untilFeb 28, 2033As published by Samsung

Latest firmwareAndroid 17S948NKSS4BZIG · built Sep 23, 2026

RegionBuildAndroidSecurity patchDateDetails

South Korea KOOBuildS948NKSS4BZIGAndroidAndroid 17Security patch—BuiltSep 23, 2026DetailsDownload

South Korea KTC

Builds in our firmware catalog, newest first.

BuildAndroidBuiltRegions

S948NKSS4BZIGAndroidAndroid 17BuiltSep 23, 2026Regions4 CSCs

S948NKSU4BZI6AndroidAndroid 17BuiltSep 7, 2026Regions4 CSCs

S948NKSU4AZHJAndroidAndroid 16BuiltAug 22, 2026Regions4 CSCs

S948NKSS4AZG3AndroidAndroid 16

Taken from the SM-S948B; this model can differ (chipset, network bands).

Display size: 174.9mm (6.9" full rectangle) / 171.4mm (6.7" rounded corners)
Resolution: 3120 x 1440 (Quad HD+)
Display type: Dynamic AMOLED 2X
Refresh rate: 120 Hz