S942NKSS4AZHA – Galaxy S26 firmware
Build S942NKSS4AZHA is a security update for the Galaxy S26 (SM-S942N)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Aug 25, 2026 (method) and has reached
4 regions so far. It keeps bootloader bit 4, so downgrading to the previous build S942NKSS4AZG5 is still possible. Samsung still serves this file.
- Model
- SM-S942N
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 4
- First released
- Aug 25, 2026
- Regions
- 4
Rollout timeline by region
The date each region code (CSC) first received S942NKSS4AZHA, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
KOO | South Korea | Aug 25, 2026 | day 0 | S942NKSS4AZHA/S942NOKR4AZHA/S942NKSS4AZG1 |
KTC | South Korea (KT) | Aug 25, 2026 | day 0 | S942NKSS4AZHA/S942NOKR4AZHA/S942NKSS4AZG1 |
LUC | South Korea (LG U+) | Aug 25, 2026 | day 0 | S942NKSS4AZHA/S942NOKR4AZHA/S942NKSS4AZG1 |
SKC | South Korea (SKT) | Aug 25, 2026 | day 0 | S942NKSS4AZHA/S942NOKR4AZHA/S942NKSS4AZG1 |
Download and release notes
samloader download -m SM-S942N -r KOO -v S942NKSS4AZHA/S942NOKR4AZHA/S942NKSS4AZG1Samsung'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 S942NKSS4AZHA.