F958NKSU4EZIH – Galaxy Z Fold Special Edition firmware

Build F958NKSU4EZIH is a feature update for the Galaxy Z Fold Special Edition (SM-F958N) on Android 17 (One UI 9). It first appeared on Samsung's servers on Oct 5, 2026 (method) and has reached 1 region so far. It keeps bootloader bit 4, so downgrading to the previous build F958NKSS4DZH5 is still possible. Samsung still serves this file.

Model
SM-F958N
Android
Android 17
Type
Feature
Bootloader bit
4
First released
Oct 5, 2026
Regions
1

Rollout timeline by region

The date each region code (CSC) first received F958NKSU4EZIH, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
KOOSouth KoreaOct 5, 2026day 0F958NKSU4EZIH/F958NOKR4EZIH/F958NKSU4EZI4

Download and release notes

samloader download -m SM-F958N -r KOO -v F958NKSU4EZIH/F958NOKR4EZIH/F958NKSU4EZI4

Samsung's release notes and security patch level for this update: SM-F958N / KOO on doc.samsungmobile.com. What each part of the build number means: decode F958NKSU4EZIH.