Galaxy S8+ SM-G955N updates & firmware
This page tracks every software update Samsung's update servers list for the Samsung Galaxy S8+ (SM-G955N). The latest stable build is G955NKSU5DZE1 (Android 9, feature update), first released on May 27, 2026. Samsung has published 33 stable builds for this model since Apr 17, 2017: 0 security and 33 feature updates, from Android 7 to Android 9. The current bootloader (binary) version is 5. A device on bit 5 only accepts firmware with bit 5 or higher – see downgrading and the bootloader bit.
Rollout: build G955NKSU5DZE1 (Android 9) is live in all 3 regions, first released on May 27, 2026 in SKC (South Korea (SKT)).
- Latest build
G955NKSU5DZE1- Released
- May 27, 2026
- Android
- Android 9
- Bootloader bit
- 5
- Regions
- 3
- Stable builds
- 33
Update policy
Samsung has not published an update commitment for the Galaxy S8+. According to our data it is on Android 9, last build released May 27, 2026. No new firmware has appeared on Samsung's servers since May 27, 2026.
Compare all models: Samsung update policy by model.
Latest firmware by region (CSC)
Samsung builds firmware per region code (CSC). Pick the code that matches your device – it is shown under Settings › About phone › Software information › Service provider software version. Follow a code for its complete history.
| CSC | Region | Latest build | Android | Released | Builds |
|---|---|---|---|---|---|
KTC | South Korea (KT) | G955NKSU5DZE1 | Android 9 | May 27, 2026 | 34 |
LUC | South Korea (LG U+) | G955NKSU5DZE1 | Android 9 | May 27, 2026 | 33 |
SKC | South Korea (SKT) | G955NKSU5DZE1 | Android 9 | May 27, 2026 | 35 |
Firmware history (33 builds)
Every stable build (PDA version) Samsung has published for the SM-G955N, newest first. “Released” is the earliest date the build appeared on Samsung's servers in any region (how dates work). “pulled” means Samsung no longer serves the file for that build, usually because newer builds replaced it (details).
| Build (PDA) | Released | Android | Type | Bit | Regions | File |
|---|---|---|---|---|---|---|
G955NKSU5DZE1 | May 27, 2026 | Android 9 | Feature | 5 | 3 | on server |
G955NKSU5DVG2 | Aug 17, 2022 | Android 9 | Feature | 5 | 3 | on server |
G955NKSU5DUD1 | Apr 15, 2021 | Android 9 | Feature | 5 | 3 | on server |
G955NKSU5DUA2 | Jan 20, 2021 | Android 9 | Feature | 5 | 3 | on server |
G955NKSU5DTJ2 | Nov 1, 2020 | Android 9 | Feature | 5 | 3 | on server |
G955NKSU5DTG1 | Jul 14, 2020 | Android 9 | Feature | 5 | 3 | on server |
G955NKSU4DTD1 | Apr 20, 2020 | Android 9 | Feature | 4 | 3 | on server |
G955NKSU3CRJ1 | Apr 1, 2020 | Android 8 | Feature | 3 | 3 | on server |
G955NKSU4DTB2 | Feb 23, 2020 | Android 9 | Feature | 4 | 3 | pulled |
G955NKSU4DTA2 | Jan 27, 2020 | Android 9 | Feature | 4 | 3 | pulled |
G955NKSU4DSK2 | Dec 3, 2019 | Android 9 | Feature | 4 | 3 | pulled |
G955NKSU3DSI2 | Oct 20, 2019 | Android 9 | Feature | 3 | 3 | pulled |
G955NKSU3DSG5 | Aug 19, 2019 | Android 9 | Feature | 3 | 3 | pulled |
G955NKSU3DSF2 | Jun 19, 2019 | Android 9 | Feature | 3 | 3 | pulled |
G955NKSU3DSE2 | May 19, 2019 | Android 9 | Feature | 3 | 3 | pulled |
G955NKSU3DSD1 | Apr 14, 2019 | Android 9 | Feature | 3 | 3 | pulled |
G955NKSU3DSC1 | Mar 21, 2019 | Android 9 | Feature | 3 | 3 | pulled |
G955NKSU3DSBB | Mar 10, 2019 | Android 9 | Feature | 3 | 3 | pulled |
G955NKSU3CRI3 | Sep 26, 2018 | Android 8 | Feature | 3 | 3 | pulled |
G955NKSU2CRF5 | Jul 11, 2018 | Android 8 | Feature | 2 | 3 | pulled |
G955NKSU1CRD7 | May 2, 2018 | Android 8 | Feature | 1 | 3 | pulled |
G955NKSU1CRCB | Apr 8, 2018 | Android 8 | Feature | 1 | 3 | pulled |
G955NKSU1CRB7 | Feb 28, 2018 | Android 8 | Feature | 1 | 3 | pulled |
G955NKSU1AQL3 | Dec 18, 2017 | Android 7 | Feature | 1 | 3 | pulled |
G955NKSU1AQJ5 | Nov 7, 2017 | Android 7 | Feature | 1 | 3 | pulled |
G955NKSU1AQI1 | Sep 10, 2017 | Android 7 | Feature | 1 | 3 | pulled |
G955NKSU1AQH2 | Aug 31, 2017 | Android 7 | Feature | 1 | 3 | pulled |
G955NKSU1AQG7 | Jul 23, 2017 | Android 7 | Feature | 1 | 3 | pulled |
G955NKSU1AQF7 | Jun 14, 2017 | Android 7 | Feature | 1 | 3 | pulled |
G955NKSU1AQEB | May 25, 2017 | Android 7 | Feature | 1 | 3 | pulled |
G955NKSU1AQDG | Apr 26, 2017 | Android 7 | Feature | 1 | 3 | pulled |
G955NKSU1AQCB | Apr 17, 2017 | Android 7 | Feature | 1 | 3 | pulled |
G955NKSU1AQDC | Apr 17, 2017 | Android 7 | Feature | 1 | 3 | pulled |
How to download SM-G955N firmware
We do not host firmware. Download it directly from Samsung's servers with a free open-source tool, for example samloader:
samloader download -m SM-G955N -r SKCReplace SKC with your region code. Step-by-step instructions, including a graphical alternative:
How to download Samsung firmware.
Changelog and security patch level
Samsung publishes the release notes for each update, including the security patch level, on its own site. They are listed per region – for example SM-G955N / SKC release notes on doc.samsungmobile.com. Each region page here links to the notes for that code. We don't show the patch level ourselves because Samsung's update servers don't report it (why).