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.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
KOO | South Korea | Jun 10, 2026 | day 0 | F966NKSUABZF1/F966NOKRABZF1/F966NKSUABZE9 |
KTC | South Korea (KT) | Jun 10, 2026 | day 0 | F966NKSUABZF1/F966NOKRABZF1/F966NKSUABZE9 |
LUC | South Korea (LG U+) | Jun 10, 2026 | day 0 | F966NKSUABZF1/F966NOKRABZF1/F966NKSUABZE9 |
SKC | South Korea (SKT) | Jun 10, 2026 | day 0 | F966NKSUABZF1/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.