Galaxy A40 SM-A405S firmware
The latest stable build is A405SKSS5CWA2 (Android 11, security update), first released on Feb 16, 2023 – 1360 days ago. Samsung has published 17 stable builds for this model since Jul 8, 2019: 1 security and 16 feature updates, from Android 9 to Android 11. 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.
- Latest build
A405SKSS5CWA2- Released
- Feb 16, 2023
- Android
- Android 11
- Bootloader bit
- 5
- Regions
- 1
- Stable builds
- 17
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 |
|---|---|---|---|---|---|
SKC | South Korea (SKT) | A405SKSS5CWA2 | Android 11 | Feb 16, 2023 | 17 |
Firmware history (17 builds)
Every stable build (PDA version) Samsung has published for the SM-A405S, 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 |
|---|---|---|---|---|---|---|
A405SKSS5CWA2 | Feb 16, 2023 | Android 11 | Security | 5 | 1 | on server |
A405SKSU5CVK1 | Nov 30, 2022 | Android 11 | Feature | 5 | 1 | on server |
A405SKSU5CVH1 | Aug 28, 2022 | Android 11 | Feature | 5 | 1 | on server |
A405SKSU5CVE2 | May 29, 2022 | Android 11 | Feature | 5 | 1 | on server |
A405SKSU5CVB1 | Mar 7, 2022 | Android 11 | Feature | 5 | 1 | on server |
A405SKSU5CUK3 | Dec 2, 2021 | Android 11 | Feature | 5 | 1 | pulled |
A405SKSU4CUH5 | Sep 9, 2021 | Android 11 | Feature | 4 | 1 | pulled |
A405SKSU3CUC8 | Apr 12, 2021 | Android 11 | Feature | 3 | 1 | pulled |
A405SKSU3BTJ2 | Oct 25, 2020 | Android 10 | Feature | 3 | 1 | on server |
A405SKSU2BTF1 | Jun 29, 2020 | Android 10 | Feature | 2 | 1 | pulled |
A405SKSU2BTD2 | Apr 26, 2020 | Android 10 | Feature | 2 | 1 | pulled |
A405SKSU2BTD1 | Apr 22, 2020 | Android 10 | Feature | 2 | 1 | pulled |
A405SKSU2ATA1 | Feb 2, 2020 | Android 9 | Feature | 2 | 1 | pulled |
A405SKSU1ASJ2 | Nov 3, 2019 | Android 9 | Feature | 1 | 1 | pulled |
A405SKSU1ASH4 | Sep 1, 2019 | Android 9 | Feature | 1 | 1 | pulled |
A405SKSU1ASG1 | Jul 15, 2019 | Android 9 | Feature | 1 | 1 | pulled |
A405SKSU1ASF7 | Jul 8, 2019 | Android 9 | Feature | 1 | 1 | pulled |
How to download SM-A405S 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-A405S -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-A405S / SKC release notes on doc.samsungmobile.com. Each region page here links to the notes for that code.