F946NKSU6HZIJ – Galaxy Z Fold5 firmware

Build F946NKSU6HZIJ is a feature update for the Galaxy Z Fold5 (SM-F946N) on Android 17 (One UI 9). It first appeared on Samsung's servers on Oct 13, 2026 (method) and has reached 4 regions so far. It keeps bootloader bit 6, so downgrading to the previous build F946NTBU6HZIK is still possible. Samsung still serves this file.

Model
SM-F946N
Android
Android 17
Type
Feature
Bootloader bit
6
First released
Oct 13, 2026
Regions
4

Rollout timeline by region

The date each region code (CSC) first received F946NKSU6HZIJ, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
KOOSouth KoreaOct 13, 2026day 0F946NKSU6HZIJ/F946NOKR6HZIJ/F946NKSU6HZIJ
KTCSouth Korea (KT)Oct 13, 2026day 0F946NKSU6HZIJ/F946NOKR6HZIJ/F946NKSU6HZIJ
LUCSouth Korea (LG U+)Oct 13, 2026day 0F946NKSU6HZIJ/F946NOKR6HZIJ/F946NKSU6HZIJ
SKCSouth Korea (SKT)Oct 13, 2026day 0F946NKSU6HZIJ/F946NOKR6HZIJ/F946NKSU6HZIJ

Download and release notes

samloader download -m SM-F946N -r KOO -v F946NKSU6HZIJ/F946NOKR6HZIJ/F946NKSU6HZIJ

Samsung's release notes and security patch level for this update: SM-F946N / KOO on doc.samsungmobile.com. What each part of the build number means: decode F946NKSU6HZIJ.