Galaxy S25 FE SM-S731U1 firmware

The latest stable build is S731U1UES9CZJ2 (Android 17, security update), first released on Oct 27, 2026 – 10 days ago. Samsung has published 17 stable builds for this model since Aug 21, 2025: 11 security and 6 feature updates, from Android 16 to Android 17. The current bootloader (binary) version is 9. A device on bit 9 only accepts firmware with bit 9 or higher – see downgrading and the bootloader bit.

Latest build
S731U1UES9CZJ2
Released
Oct 27, 2026
Android
Android 17
Bootloader bit
9
Regions
14
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.

CSCRegionLatest buildAndroidReleasedBuilds
ACGUSA (C Spire)S731U1UES9CZJ2Android 17Oct 27, 202620
AIOUSA (Cricket)S731U1UES9CZJ2Android 17Oct 27, 202620
ATTUSA (AT&T)S731U1UES9CZJ2Android 17Oct 27, 202620
CCTUSA (Comcast)S731U1UES9CZJ2Android 17Oct 27, 202620
DSAUSAS731U1UEU9CZIFAndroid 17Oct 5, 202620
DSHUSAS731U1UEU9CZIFAndroid 17Oct 5, 202620
LRAUSA (Bluegrass)S731U1UES9CZJ2Android 17Oct 27, 202620
TFNUSA (TracFone)S731U1UES9CZJ2Android 17Oct 27, 202620
TMBUSA (T-Mobile)S731U1UEU9CZIFAndroid 17Oct 5, 202620
TMKUSA (MetroPCS)S731U1UEU9CZIFAndroid 17Oct 5, 202620
USCUSA (US Cellular)S731U1UEU9CZIFAndroid 17Oct 5, 202620
VZWUSA (Verizon)S731U1UES9CZJ2Android 17Oct 27, 202620
XAAUSA (unlocked)S731U1UEU9CZIFAndroid 17Oct 5, 202620
XARUSA (Cellular South)S731U1UES9CZJ2Android 17Oct 27, 202620

Firmware history (17 builds)

Every stable build (PDA version) Samsung has published for the SM-S731U1, 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)ReleasedAndroidTypeBitRegionsFile
S731U1UES9CZJ2Oct 27, 2026Android 17Security914on server
S731U1UEU9CZIFOct 5, 2026Android 17Feature914on server
S731U1UES9BZF9Sep 3, 2026Android 16Security914on server
S731U1UES8BZF5Jul 21, 2026Android 16Security814on server
S731U1UES7BZF3Jun 25, 2026Android 16Security714on server
S731U1UES7BZE1Jun 1, 2026Android 16Security714on server
S731U1UEU6BZDPMay 14, 2026Android 16Feature614on server
S731U1UES6AZBHApr 15, 2026Android 16Security614on server
S731U1UES5AZBBMar 27, 2026Android 16Security514on server
S731U1UES5AYLXFeb 26, 2026Android 16Security514on server
S731U1UES4AYL5Jan 29, 2026Android 16Security414on server
S731U1UES3AYK1Dec 15, 2025Android 16Security314on server
S731U1UEU3AYJ9Dec 1, 2025Android 16Feature314on server
S731U1UES2AYJ4Oct 31, 2025Android 16Security214on server
S731U1UEU1AYIBSep 30, 2025Android 16Feature114on server
S731U1UEU1AYH9Aug 21, 2025Android 16Feature114on server
S731U1UEUACZJC–Android 17Feature1014on server

Beta and test builds

Samsung's servers also list 3 beta build(s) for this model. They are not offered to regular users and are often removed after the next stable release.

BuildListedFile
S731U1UEU6ZZDDApr 21, 2026pulled
S731U1UEU6ZZD5Apr 16, 2026pulled
S731U1UEU5ZZCDMar 27, 2026pulled

How to download SM-S731U1 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-S731U1 -r ACG

Replace ACG with your region code. Step-by-step instructions, including a graphical alternative: How to download Samsung firmware.