G955NKSU5DZE1 – Galaxy S8+ firmware
Build G955NKSU5DZE1 is a feature update for the Galaxy S8+ (SM-G955N)
on Android 9. It first appeared on Samsung's servers on May 27, 2026 (method) and has reached
3 regions so far. It keeps bootloader bit 5, so downgrading to the previous build G955NKSU5DVG2 is still possible. Samsung still serves this file.
- Model
- SM-G955N
- Android
- Android 9
- Type
- Feature
- Bootloader bit
- 5
- First released
- May 27, 2026
- Regions
- 3
Rollout timeline by region
The date each region code (CSC) first received G955NKSU5DZE1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
SKC | South Korea (SKT) | May 27, 2026 | day 0 | G955NKSU5DZE1/G955NOKR5DZE1/G955NKOU5DUC1 |
KTC | South Korea (KT) | May 27, 2026 | day 0 | G955NKSU5DZE1/G955NOKR5DZE1/G955NKOU5DUC1 |
LUC | South Korea (LG U+) | May 27, 2026 | day 0 | G955NKSU5DZE1/G955NOKR5DZE1/G955NKOU5DUC1 |
Download and release notes
samloader download -m SM-G955N -r SKC -v G955NKSU5DZE1/G955NOKR5DZE1/G955NKOU5DUC1Samsung's release notes and security patch level for this update: SM-G955N / SKC on doc.samsungmobile.com. What each part of the build number means: decode G955NKSU5DZE1.