SM-S731N firmware

Stock firmware and official updates for the Samsung Galaxy S25 FE (SM-S731N), by region.

Software support

Update policyMonthly security updatesOn Samsung's current security update list

Security updates untilSep 30, 2032As published by Samsung

Latest firmwareAndroid 17S731NKSU9CZIF · built Sep 19, 2026

RegionBuildAndroidSecurity patchDateDetails

South Korea KOOBuildS731NKSU9CZIFAndroidAndroid 17Security patch—BuiltSep 19, 2026DetailsDownload

South Korea KTC

Builds in our firmware catalog, newest first.

BuildAndroidBuiltRegions

S731NKSU9CZIFAndroidAndroid 17BuiltSep 19, 2026Regions4 CSCs

S731NKSS9BZH2AndroidAndroid 16BuiltAug 14, 2026Regions4 CSCs

S731NKSS8BZG3AndroidAndroid 16BuiltJul 1, 2026Regions4 CSCs

S731NKSS7BZF1AndroidAndroid 16

Taken from the SM-S731B; this model can differ (chipset, network bands).

Display size: 171.1mm (6.7" full rectangle) / 166.4mm (6.6" rounded corners)
Resolution: 1080 x 2340 (FHD+)
Display type: Dynamic AMOLED 2X
Refresh rate: 120 Hz