SM-T636N firmware

Stock firmware and official updates for the Samsung Galaxy Tab Active4 Pro (SM-T636N), by region.

Software support

Update policyQuarterly security updatesOn Samsung's current security update list

Latest firmwareAndroid 15T636NKOSBDZH4 · built Aug 18, 2026

RegionBuildAndroidSecurity patchDateDetails

South Korea KOOBuildT636NKOSBDZH4AndroidAndroid 15Security patch—BuiltAug 18, 2026DetailsDownload

Builds in our firmware catalog, newest first.

BuildAndroidBuiltRegions

T636NKOSBDZH4AndroidAndroid 15BuiltAug 18, 2026Regions1 CSC

T636NKOSBDZE2AndroidAndroid 15BuiltMay 20, 2026Regions1 CSC

T636NKOSADZB4AndroidAndroid 15BuiltFeb 13, 2026Regions1 CSC

T636NKOS9DYJ1AndroidAndroid 15

Taken from the SM-T636B; this model can differ (chipset, network bands).