Galaxy A16 5G SM-A166W firmware
The latest stable build is A166WVLUAEZJ8 (Android 17, feature update), first released on Nov 2, 2026 – 4 days ago. Samsung has published 15 stable builds for this model since Dec 8, 2024: 10 security and 5 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
A166WVLUAEZJ8- Released
- Nov 2, 2026
- Android
- Android 17
- Bootloader bit
- 10
- Regions
- 11
- Stable builds
- 15
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 |
|---|---|---|---|---|---|
BMC | Canada (Bell) | A166WVLUAEZJ8 | Android 17 | Nov 2, 2026 | 15 |
BWA | Canada | A166WVLUAEZJ8 | Android 17 | Nov 2, 2026 | 15 |
ESK | Canada (Eastlink) | A166WVLUAEZJ8 | Android 17 | Nov 2, 2026 | 15 |
FMC | Canada (Fido) | A166WVLUAEZJ8 | Android 17 | Nov 2, 2026 | 15 |
GLW | Canada (Freedom) | A166WVLUAEZJ8 | Android 17 | Nov 2, 2026 | 15 |
KDO | Canada (Koodo) | A166WVLUAEZJ8 | Android 17 | Nov 2, 2026 | 15 |
RWC | Canada (Rogers) | A166WVLUAEZJ8 | Android 17 | Nov 2, 2026 | 15 |
TLS | Canada (Telus) | A166WVLUAEZJ8 | Android 17 | Nov 2, 2026 | 15 |
VMC | Canada (Virgin) | A166WVLUAEZJ8 | Android 17 | Nov 2, 2026 | 15 |
VTR | Canada (Videotron) | A166WVLUAEZJ8 | Android 17 | Nov 2, 2026 | 15 |
XAC | Canada | A166WVLUAEZJ8 | Android 17 | Nov 2, 2026 | 15 |
Firmware history (15 builds)
Every stable build (PDA version) Samsung has published for the SM-A166W, 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 |
|---|---|---|---|---|---|---|
A166WVLUAEZJ8 | Nov 2, 2026 | Android 17 | Feature | 10 | 11 | on server |
A166WVLSADZI2 | Oct 7, 2026 | Android 16 | Security | 10 | 11 | on server |
A166WVLS8DZG1 | Aug 6, 2026 | Android 16 | Security | 8 | 11 | on server |
A166WVLU7DZE9 | Jun 7, 2026 | Android 16 | Feature | 7 | 11 | on server |
A166WVLS7CZDG | May 14, 2026 | Android 16 | Security | 7 | 11 | on server |
A166WVLS6CZB7 | Mar 19, 2026 | Android 16 | Security | 6 | 11 | on server |
A166WVLS5CZA8 | Feb 12, 2026 | Android 16 | Security | 5 | 11 | on server |
A166WVLS4CYL1 | Jan 8, 2026 | Android 16 | Security | 4 | 11 | on server |
A166WVLS3CYJ1 | Nov 6, 2025 | Android 16 | Security | 3 | 11 | on server |
A166WVLU3CYIC | Oct 23, 2025 | Android 16 | Feature | 3 | 11 | on server |
A166WVLS3BYG1 | Aug 7, 2025 | Android 15 | Security | 3 | 11 | on server |
A166WVLU2BYED | Jun 23, 2025 | Android 15 | Feature | 2 | 11 | on server |
A166WVLS2AYD2 | May 8, 2025 | Android 14 | Security | 2 | 11 | on server |
A166WVLS1AYA1 | Jan 30, 2025 | Android 14 | Security | 1 | 11 | on server |
A166WVLU1AXK8 | Dec 8, 2024 | Android 14 | Feature | 1 | 11 | on server |
How to download SM-A166W 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-A166W -r XACReplace XAC 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-A166W / XAC release notes on doc.samsungmobile.com. Each region page here links to the notes for that code.