S942NKSU4BZI6 – Galaxy S26 firmware
Build S942NKSU4BZI6 is a feature update for the Galaxy S26 (SM-S942N)
on Android 17 (One UI 9). It first appeared on Samsung's servers on Sep 15, 2026 (method) and has reached
4 regions so far. It keeps bootloader bit 4, so downgrading to the previous build S942NKSS4AZHA is still possible. Samsung still serves this file.
- Model
- SM-S942N
- Android
- Android 17
- Type
- Feature
- Bootloader bit
- 4
- First released
- Sep 15, 2026
- Regions
- 4
Rollout timeline by region
The date each region code (CSC) first received S942NKSU4BZI6, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
KOO | South Korea | Sep 15, 2026 | day 0 | S942NKSU4BZI6/S942NOKR4BZI6/S942NKSU4BZHO |
KTC | South Korea (KT) | Sep 15, 2026 | day 0 | S942NKSU4BZI6/S942NOKR4BZI6/S942NKSU4BZHO |
LUC | South Korea (LG U+) | Sep 15, 2026 | day 0 | S942NKSU4BZI6/S942NOKR4BZI6/S942NKSU4BZHO |
SKC | South Korea (SKT) | Sep 15, 2026 | day 0 | S942NKSU4BZI6/S942NOKR4BZI6/S942NKSU4BZHO |
Download and release notes
samloader download -m SM-S942N -r KOO -v S942NKSU4BZI6/S942NOKR4BZI6/S942NKSU4BZHOSamsung's release notes and security patch level for this update: SM-S942N / KOO on doc.samsungmobile.com. What each part of the build number means: decode S942NKSU4BZI6.