SM-S921U firmware for XAA – USA (unlocked)
16 builds for the Galaxy S24 in region XAA. 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 |
|---|---|---|---|---|---|
S921USQS6EZJ1/S921UOYN6EZJ1/S921USQS6EZJ1 | Oct 29, 2026 | Android 17 | Security | 6 | on server |
S921USQU6EZIF/S921UOYN6EZIF/S921USQU6EZIF | Oct 22, 2026 | Android 17 | Feature | 6 | on server |
S921USQS6DZI1/S921UOYN6DZI1/S921USQS6DZI1 | Oct 1, 2026 | Android 16 | Security | 6 | on server |
S921USQS6DZH3/S921UOYN6DZH3/S921USQS6DZH3 | Sep 2, 2026 | Android 16 | Security | 6 | on server |
S921USQS6DZG1/S921UOYN6DZG1/S921USQS6DZG1 | Jul 23, 2026 | Android 16 | Security | 6 | on server |
S921USQS6DZF2/S921UOYN6DZF2/S921USQS6DZF2 | Jun 25, 2026 | Android 16 | Security | 6 | on server |
S921USQS6DZE2/S921UOYN6DZE2/S921USQS6DZE2 | Jun 2, 2026 | Android 16 | Security | 6 | on server |
S921USQU5DZDR/S921UOYN5DZDR/S921USQU5DZDR | May 26, 2026 | Android 16 | Feature | 5 | on server |
S921USQS5CZD2/S921UOYN5CZD2/S921USQS5CZD2 | Apr 20, 2026 | Android 16 | Security | 5 | on server |
S921USQS5CZC1/S921UOYN5CZC1/S921USQS5CZC1 | Mar 31, 2026 | Android 16 | Security | 5 | on server |
S921USQS5CZB2/S921UOYN5CZB2/S921USQS5CZB2 | Mar 5, 2026 | Android 16 | Security | 5 | on server |
S921USQS4CZA1/S921UOYN4CZA1/S921USQS4CZA1 | Feb 13, 2026 | Android 16 | Security | 4 | on server |
S921USQS4CYL1/S921UOYN4CYL1/S921USQS4CYL1 | Dec 18, 2025 | Android 16 | Security | 4 | on server |
S921USQS4CYK2/S921UOYN4CYK2/S921USQS4CYK2 | Nov 24, 2025 | Android 16 | Security | 4 | on server |
S921USQS4CYJ1/S921UOYN4CYJ1/S921USQS4CYJ1 | Nov 21, 2025 | Android 16 | Security | 4 | on server |
S921USQU4CYI9/S921UOYN4CYI9/S921USQU4CYI9 | Nov 10, 2025 | Android 16 | Feature | 4 | on server |
Download the latest XAA build
samloader download -m SM-S921U -r XAA -v S921USQS6EZJ1/S921UOYN6EZJ1/S921USQS6EZJ1See how to download Samsung firmware and how to flash it. Back to the SM-S921U overview.