Galaxy A16 5G SM-S166V firmware
The latest stable build is S166VUDSADZI2 (Android 16, security update), first released on Oct 7, 2026 – 30 days ago. Samsung has published 17 stable builds for this model since Dec 9, 2024: 13 security and 4 feature updates, from Android 14 to Android 16. 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
S166VUDSADZI2- Released
- Oct 7, 2026
- Android
- Android 16
- Bootloader bit
- 10
- 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 |
|---|---|---|---|---|---|
TFN | USA (TracFone) | S166VUDSADZI2 | Android 16 | Oct 7, 2026 | 17 |
Firmware history (17 builds)
Every stable build (PDA version) Samsung has published for the SM-S166V, 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 |
|---|---|---|---|---|---|---|
S166VUDSADZI2 | Oct 7, 2026 | Android 16 | Security | 10 | 1 | on server |
S166VUDS9DZH1 | Sep 11, 2026 | Android 16 | Security | 9 | 1 | on server |
S166VUDS8DZG1 | Jul 31, 2026 | Android 16 | Security | 8 | 1 | on server |
S166VUDU7DZE9 | Jun 9, 2026 | Android 16 | Feature | 7 | 1 | on server |
S166VUDS7CZDG | May 14, 2026 | Android 16 | Security | 7 | 1 | on server |
S166VUDS6CZB6 | Mar 16, 2026 | Android 16 | Security | 6 | 1 | on server |
S166VUDS5CZA9 | Feb 20, 2026 | Android 16 | Security | 5 | 1 | on server |
S166VUDS4CYL1 | Dec 22, 2025 | Android 16 | Security | 4 | 1 | on server |
S166VUDS3CYJ1 | Oct 31, 2025 | Android 16 | Security | 3 | 1 | on server |
S166VUDU3CYIE | Oct 24, 2025 | Android 16 | Feature | 3 | 1 | on server |
S166VUDS3BYF4 | Jul 28, 2025 | Android 15 | Security | 3 | 1 | on server |
S166VUDS2BYF3 | Jul 2, 2025 | Android 15 | Security | 2 | 1 | on server |
S166VUDU2BYED | Jun 24, 2025 | Android 15 | Feature | 2 | 1 | on server |
S166VUDS2AYD1 | Apr 21, 2025 | Android 14 | Security | 2 | 1 | on server |
S166VUDS1AYA2 | Jan 27, 2025 | Android 14 | Security | 1 | 1 | on server |
S166VUDS1AXKA | Dec 17, 2024 | Android 14 | Security | 1 | 1 | on server |
S166VUDU1AXK8 | Dec 9, 2024 | Android 14 | Feature | 1 | 1 | on server |
How to download SM-S166V 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-S166V -r TFNReplace TFN with your region code. Step-by-step instructions, including a graphical alternative:
How to download Samsung firmware.