Galaxy A35 5G SM-A356N firmware
The latest stable build is A356NKSUAEZJ2 (Android 17, feature update), first released on Oct 20, 2026 – 17 days ago. Samsung has published 18 stable builds for this model since Jul 8, 2024: 11 security and 7 feature updates, from Android 14 to Android 17. The current bootloader (binary) version is 10. A device on bit 10 only accepts firmware with bit 10 or higher – see downgrading and the bootloader bit.
- Latest build
A356NKSUAEZJ2- Released
- Oct 20, 2026
- Android
- Android 17
- Bootloader bit
- 10
- Regions
- 4
- Stable builds
- 18
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 |
|---|---|---|---|---|---|
KOO | South Korea | A356NKSUAEZJ2 | Android 17 | Oct 20, 2026 | 24 |
KTC | South Korea (KT) | A356NKSUAEZJ2 | Android 17 | Oct 20, 2026 | 24 |
LUC | South Korea (LG U+) | A356NKSUAEZJ2 | Android 17 | Oct 20, 2026 | 23 |
SKC | South Korea (SKT) | A356NKSUAEZJ2 | Android 17 | Oct 20, 2026 | 23 |
Firmware history (18 builds)
Every stable build (PDA version) Samsung has published for the SM-A356N, newest first. “” is the earliest date the build appeared on Samsung's servers in any region. “” means Samsung no longer serves the file for that build.
| Build (PDA) | Released | Android | Type | Bit | Regions | File |
|---|---|---|---|---|---|---|
A356NKSUAEZJ2 | Oct 20, 2026 | Android 17 | Feature | 10 | 4 | on server |
A356NKSSADZH1 | Sep 3, 2026 | Android 16 | Security | 10 | 4 | on server |
A356NKSS9DZG1 | Jul 14, 2026 | Android 16 | Security | 9 | 4 | on server |
A356NKSU8DZE4 | May 25, 2026 | Android 16 | Feature | 8 | 4 | on server |
A356NKSS8CZB3 | Mar 4, 2026 | Android 16 | Security | 8 | 4 | on server |
A356NKSS7CZA1 | Jan 28, 2026 | Android 16 | Security | 7 | 4 | on server |
A356NKSS6CYK1 | Dec 10, 2025 | Android 16 | Security | 6 | 4 | on server |
A356NKSS5CYJ1 | Oct 26, 2025 | Android 16 | Security | 5 | 4 | on server |
A356NKSS5CYI9 | Sep 30, 2025 | Android 16 | Security | 5 | 2 | on server |
A356NKSU5CYI8 | Sep 28, 2025 | Android 16 | Feature | 5 | 4 | on server |
A356NKSS5BYG1 | Jul 20, 2025 | Android 15 | Security | 5 | 4 | on server |
A356NKSU4BYDD | May 7, 2025 | Android 15 | Feature | 4 | 4 | on server |
A356NKSS4AYB1 | Feb 19, 2025 | Android 14 | Security | 4 | 4 | on server |
A356NKSU4AXK1 | Nov 20, 2024 | Android 14 | Feature | 4 | 4 | on server |
A356NKSS3AXI1 | Oct 16, 2024 | Android 14 | Security | 3 | 4 | on server |
A356NKSU2AXG9 | Aug 20, 2024 | Android 14 | Feature | 2 | 4 | on server |
A356NKSS2AXG1 | Jul 16, 2024 | Android 14 | Security | 2 | 4 | on server |
A356NKSU1AXD5 | Jul 8, 2024 | Android 14 | Feature | 1 | 4 | on server |
Beta and test builds
Samsung's servers also list 6 beta build(s) for this model. They are not offered to regular users and are often removed after the next stable release.
| Build | Listed | File |
|---|---|---|
A356NKSUAZZI4 | Sep 20, 2026 | pulled |
A356NKSUAZZH5 | Sep 11, 2026 | pulled |
A356NKSU8ZZD5 | Apr 26, 2026 | pulled |
A356NKSU8ZZD2 | Apr 14, 2026 | pulled |
A356NKSU5ZYI6 | Sep 16, 2025 | pulled |
A356NKSU5ZYH7 | Sep 2, 2025 | pulled |
How to download SM-A356N 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-A356N -r KOOReplace KOO 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-A356N / KOO release notes on doc.samsungmobile.com. Each region page here links to the notes for that code.