F968NKSS9CZK1 – Galaxy Z TriFold firmware

Build F968NKSS9CZK1 is a security update for the Galaxy Z TriFold (SM-F968N) on Android 17 (One UI 9). It first appeared on Samsung's servers on Nov 11, 2026 (method) and has reached 1 region so far. It raises the bootloader bit from 8 to 9: once installed, the device no longer accepts firmware with bit 8 or lower, so a downgrade to F968NKSU8CZJ8 is blocked. Samsung still serves this file.

Model
SM-F968N
Android
Android 17
Type
Security
Bootloader bit
9
First released
Nov 11, 2026
Regions
1

Rollout timeline by region

The date each region code (CSC) first received F968NKSS9CZK1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
KOOSouth KoreaNov 11, 2026day 0F968NKSS9CZK1/F968NOKR9CZK1/F968NKSS9CZK1

Download and release notes

samloader download -m SM-F968N -r KOO -v F968NKSS9CZK1/F968NOKR9CZK1/F968NKSS9CZK1

Samsung's release notes and security patch level for this update: SM-F968N / KOO on doc.samsungmobile.com. What each part of the build number means: decode F968NKSS9CZK1.