Galaxy A40s SM-A3051 firmware
The latest stable build is A3051XXS4CWA3 (Android 11, security update), first released on Feb 1, 2023 – 1374 days ago. Samsung has published 16 stable builds for this model since May 28, 2019: 5 security and 11 feature updates, from Android 9 to Android 11. The current bootloader (binary) version is 4. A device on bit 4 only accepts firmware with bit 4 or higher – see downgrading and the bootloader bit.
- Latest build
A3051XXS4CWA3- Released
- Feb 1, 2023
- Android
- Android 11
- Bootloader bit
- 4
- Regions
- 1
- Stable builds
- 16
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 |
|---|---|---|---|---|---|
BRI | Taiwan | A3051XXS4CWA3 | Android 11 | Feb 1, 2023 | 18 |
Firmware history (16 builds)
Every stable build (PDA version) Samsung has published for the SM-A3051, 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 |
|---|---|---|---|---|---|---|
A3051XXS4CWA3 | Feb 1, 2023 | Android 11 | Security | 4 | 1 | on server |
A3051XXU4CVG2 | Aug 11, 2022 | Android 11 | Feature | 4 | 1 | on server |
A3051XXU4CVD1 | May 12, 2022 | Android 11 | Feature | 4 | 1 | on server |
A3051XXU4CUJ1 | Oct 28, 2021 | Android 11 | Feature | 4 | 1 | on server |
A3051XXU4CUE4 | Jun 2, 2021 | Android 11 | Feature | 4 | 1 | on server |
A3051XXS4BUD2 | Apr 29, 2021 | Android 10 | Security | 4 | 1 | on server |
A3051XXS4BUB1 | Mar 9, 2021 | Android 10 | Security | 4 | 1 | on server |
A3051XXS3BTL1 | Dec 28, 2020 | Android 10 | Security | 3 | 1 | on server |
A3051XXU3BTI5 | Nov 4, 2020 | Android 10 | Feature | 3 | 1 | on server |
A3051XXS3BTI3 | Sep 23, 2020 | Android 10 | Security | 3 | 1 | on server |
A3051XXU3BTF1 | Jun 24, 2020 | Android 10 | Feature | 3 | 1 | on server |
A3051XXU3BTB2 | Mar 29, 2020 | Android 10 | Feature | 3 | 1 | on server |
A3051XXU3BTA4 | Jan 16, 2020 | Android 10 | Feature | 3 | 1 | on server |
A3051XXU3ASK2 | Dec 8, 2019 | Android 9 | Feature | 3 | 1 | on server |
A3051XXU2ASH4 | Sep 8, 2019 | Android 9 | Feature | 2 | 1 | on server |
A3051XXU1ASEA | May 28, 2019 | Android 9 | Feature | 1 | 1 | pulled |
How to download SM-A3051 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-A3051 -r BRIReplace BRI 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-A3051 / BRI release notes on doc.samsungmobile.com. Each region page here links to the notes for that code.