SM-A166U firmware for ATT – USA (AT&T)
18 builds for the Galaxy A16 5G in region ATT. The full version string is
PDA/CSC/MODEM – you need it to download a specific build.
| Version (PDA/CSC/MODEM) | Released | Android | Type | Bit | File |
|---|---|---|---|---|---|
A166USQUAEZJ5/A166UOYNAEZJ5/A166USQUAEZJ5 | Oct 26, 2026 | Android 17 | Feature | 10 | on server |
A166USQSADZI2/A166UOYNADZI2/A166USQSADZI2 | Sep 29, 2026 | Android 16 | Security | 10 | on server |
A166USQS9DZH1/A166UOYN9DZH1/A166USQS9DZH1 | Sep 13, 2026 | Android 16 | Security | 9 | on server |
A166USQS8DZG1/A166UOYN8DZG1/A166USQS8DZG1 | Jul 29, 2026 | Android 16 | Security | 8 | on server |
A166USQU7DZEA/A166UOYN7DZEA/A166USQU7DZEA | Jun 3, 2026 | Android 16 | Feature | 7 | on server |
A166USQS7CZDG/A166UOYN7CZDG/A166USQS7CZDG | May 25, 2026 | Android 16 | Security | 7 | on server |
A166USQS6CZB6/A166UOYN6CZB6/A166USQS6CZB6 | Mar 10, 2026 | Android 16 | Security | 6 | on server |
A166USQS5CZA8/A166UOYN5CZA8/A166USQS5CZA8 | Feb 9, 2026 | Android 16 | Security | 5 | on server |
A166USQS4CYL1/A166UOYN4CYL1/A166USQS4CYL1 | Dec 21, 2025 | Android 16 | Security | 4 | on server |
A166USQS3CYJ1/A166UOYN3CYJ1/A166USQS3CYJ1 | Oct 30, 2025 | Android 16 | Security | 3 | on server |
A166USQU3CYIC/A166UOYN3CYIC/A166USQU3CYIC | Oct 6, 2025 | Android 16 | Feature | 3 | on server |
A166USQS3BYF4/A166UOYN3BYF4/A166USQS3BYF4 | Jul 23, 2025 | Android 15 | Security | 3 | on server |
A166USQS2BYF3/A166UOYN2BYF3/A166USQS2BYF3 | Jun 30, 2025 | Android 15 | Security | 2 | on server |
A166USQU2BYED/A166UOYN2BYED/A166USQU2BYED | Jun 23, 2025 | Android 15 | Feature | 2 | on server |
A166USQS2AYC9/A166UOYN2AYC9/A166USQS2AYC9 | Apr 15, 2025 | Android 14 | Security | 2 | on server |
A166USQS1AYA2/A166UOYN1AYA2/A166USQS1AYA2 | Jan 21, 2025 | Android 14 | Security | 1 | on server |
A166USQS1AXKA/A166UOYN1AXKA/A166USQS1AXKA | Dec 15, 2024 | Android 14 | Security | 1 | on server |
A166USQU1AXK8/A166UOYN1AXK8/A166USQU1AXK8 | Dec 9, 2024 | Android 14 | Feature | 1 | on server |
Download the latest ATT build
samloader download -m SM-A166U -r ATT -v A166USQUAEZJ5/A166UOYNAEZJ5/A166USQUAEZJ5Changelog and security patch level
Samsung's official release notes for SM-A166U in ATT, including the security patch level of each update: doc.samsungmobile.com/SM-A166U/ATT.
See how to download Samsung firmware and how to flash it. Back to the SM-A166U overview.