Galaxy S24 FE SM-S721U firmware
The latest stable build is S721USQSEEZJ1 (Android 17, security update), first released on Oct 28, 2026 – 9 days ago. Samsung has published 36 stable builds for this model since Sep 20, 2024: 30 security and 6 feature updates, from Android 14 to Android 17. The current bootloader (binary) version is 14. A device on bit 14 only accepts firmware with bit 14 or higher – see downgrading and the bootloader bit.
- Latest build
S721USQSEEZJ1- Released
- Oct 28, 2026
- Android
- Android 17
- Bootloader bit
- 14
- Regions
- 8
- Stable builds
- 36
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 |
|---|---|---|---|---|---|
AIO | USA (Cricket) | S721USQSEEZJ1 | Android 17 | Oct 28, 2026 | 28 |
ATT | USA (AT&T) | S721USQSEEZJ1 | Android 17 | Oct 28, 2026 | 28 |
CCT | USA (Comcast) | S721USQSEEZJ1 | Android 17 | Nov 3, 2026 | 28 |
TMB | USA (T-Mobile) | S721USQUEEZIF | Android 17 | Oct 12, 2026 | 27 |
TMK | USA (MetroPCS) | S721USQUEEZIF | Android 17 | Oct 12, 2026 | 27 |
USC | USA (US Cellular) | S721USQUEEZIF | Android 17 | Oct 12, 2026 | 27 |
VZW | USA (Verizon) | S721USQSEEZJ1 | Android 17 | Oct 30, 2026 | 27 |
XAA | USA (unlocked) | S721USQSEEZJ1 | Android 17 | Nov 3, 2026 | 24 |
Firmware history (36 builds)
Every stable build (PDA version) Samsung has published for the SM-S721U, 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 |
|---|---|---|---|---|---|---|
S721USQSEEZJ1 | Oct 28, 2026 | Android 17 | Security | 14 | 5 | on server |
S721USQUEEZIF | Oct 12, 2026 | Android 17 | Feature | 14 | 8 | on server |
S721USQSEDZI1 | Sep 30, 2026 | Android 16 | Security | 14 | 7 | on server |
S721USQSEDZH9 | Sep 2, 2026 | Android 16 | Security | 14 | 8 | on server |
S721USQSDDZG1 | Jul 24, 2026 | Android 16 | Security | 13 | 8 | on server |
S721USQSCDZF3 | Jun 24, 2026 | Android 16 | Security | 12 | 8 | on server |
S721USQSBDZE1 | Jun 2, 2026 | Android 16 | Security | 11 | 8 | on server |
S721USQUBDZDP | May 18, 2026 | Android 16 | Feature | 11 | 8 | on server |
S721USQSBCZD2 | Apr 17, 2026 | Android 16 | Security | 11 | 2 | on server |
S721USQSBCZD1 | Apr 15, 2026 | Android 16 | Security | 11 | 7 | on server |
S721USQSACZC2 | Mar 31, 2026 | Android 16 | Security | 10 | 2 | on server |
S721USQSACZC1 | Mar 26, 2026 | Android 16 | Security | 10 | 7 | on server |
S721USQSACZB6 | Feb 27, 2026 | Android 16 | Security | 10 | 2 | on server |
S721USQSACZB4 | Feb 26, 2026 | Android 16 | Security | 10 | 7 | on server |
S721USQS9CZA3 | Jan 27, 2026 | Android 16 | Security | 9 | 2 | on server |
S721USQS9CZA2 | Jan 27, 2026 | Android 16 | Security | 9 | 7 | on server |
S721USQS8CYL4 | Dec 18, 2025 | Android 16 | Security | 8 | 2 | on server |
S721USQS8CYL3 | Dec 18, 2025 | Android 16 | Security | 8 | 7 | on server |
S721USQS8CYK4 | Nov 20, 2025 | Android 16 | Security | 8 | 2 | on server |
S721USQS8CYK3 | Nov 19, 2025 | Android 16 | Security | 8 | 7 | on server |
S721USQS7CYJ9 | Nov 3, 2025 | Android 16 | Security | 7 | 2 | on server |
S721USQS7CYJ8 | Oct 29, 2025 | Android 16 | Security | 7 | 7 | on server |
S721USQU7CYJ1 | Oct 15, 2025 | Android 16 | Feature | 7 | 2 | on server |
S721USQU7CYI6 | Sep 25, 2025 | Android 16 | Feature | 7 | 7 | on server |
S721USQS7BYH1 | Aug 20, 2025 | Android 15 | Security | 7 | 7 | on server |
S721USQS6BYG1 | Jul 23, 2025 | Android 15 | Security | 6 | 7 | on server |
S721USQS5BYF2 | Jun 23, 2025 | Android 15 | Security | 5 | 7 | on server |
S721USQS4BYE2 | May 22, 2025 | Android 15 | Security | 4 | 7 | on server |
S721USQU3BYD9 | Apr 28, 2025 | Android 15 | Feature | 3 | 7 | on server |
S721USQS3AYB1 | Mar 20, 2025 | Android 14 | Security | 3 | 7 | on server |
S721USQS3AYA1 | Feb 21, 2025 | Android 14 | Security | 3 | 7 | on server |
S721USQS3AXL1 | Jan 13, 2025 | Android 14 | Security | 3 | 7 | on server |
S721USQS3AXK7 | Dec 12, 2024 | Android 14 | Security | 3 | 7 | on server |
S721USQS3AXK3 | Nov 18, 2024 | Android 14 | Security | 3 | 7 | on server |
S721USQS2AXI5 | Oct 7, 2024 | Android 14 | Security | 2 | 7 | on server |
S721USQU1AXI3 | Sep 20, 2024 | Android 14 | Feature | 1 | 7 | on server |
How to download SM-S721U 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-S721U -r AIO
Replace AIO with your region code. Step-by-step instructions, including a graphical alternative:
How to download Samsung firmware.