F966NKSUABZF1 – Galaxy Z Fold7 firmware

Build F966NKSUABZF1 is a feature update for the Galaxy Z Fold7 (SM-F966N) on Android 16 (One UI 8). It first appeared on Samsung's servers on Jun 10, 2026 (method) and has reached 4 regions so far. It keeps bootloader bit 10, so downgrading to the previous build F966NKSSABZE1 is still possible. Samsung still serves this file.

Model
SM-F966N
Android
Android 16
Type
Feature
Bootloader bit
10
First released
Jun 10, 2026
Regions
4

Rollout timeline by region

The date each region code (CSC) first received F966NKSUABZF1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
KOOSouth KoreaJun 10, 2026day 0F966NKSUABZF1/F966NOKRABZF1/F966NKSUABZE9
KTCSouth Korea (KT)Jun 10, 2026day 0F966NKSUABZF1/F966NOKRABZF1/F966NKSUABZE9
LUCSouth Korea (LG U+)Jun 10, 2026day 0F966NKSUABZF1/F966NOKRABZF1/F966NKSUABZE9
SKCSouth Korea (SKT)Jun 10, 2026day 0F966NKSUABZF1/F966NOKRABZF1/F966NKSUABZE9

Download and release notes

samloader download -m SM-F966N -r KOO -v F966NKSUABZF1/F966NOKRABZF1/F966NKSUABZE9

Samsung's release notes and security patch level for this update: SM-F966N / KOO on doc.samsungmobile.com. What each part of the build number means: decode F966NKSUABZF1.