Galaxy S25 SM-S9310 firmware

The latest stable build is S9310ZCSECZJ1 (Android 16, security update), first released on Nov 2, 2026 – 4 days ago. Samsung has published 46 stable builds for this model since Feb 12, 2025: 32 security and 14 feature updates, from Android 15 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
S9310ZCSECZJ1
Released
Nov 2, 2026
Android
Android 16
Bootloader bit
14
Regions
3
Stable builds
46

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
BRITaiwanS9310ZHSEDZJ1Android 17Oct 26, 202623
CHCChinaS9310ZCSECZJ1Android 16Nov 2, 202623
TGYHong KongS9310ZHSEDZJ1Android 17Oct 26, 202623

Firmware history (46 builds)

Every stable build (PDA version) Samsung has published for the SM-S9310, 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
S9310ZCSECZJ1Nov 2, 2026Android 16Security141on server
S9310ZHSEDZJ1Oct 26, 2026Android 17Security142on server
S9310ZCSDCZI1Oct 12, 2026Android 16Security131on server
S9310ZHUDDZIFOct 12, 2026Android 17Feature132on server
S9310ZHSDCZH1Sep 3, 2026Android 16Security132on server
S9310ZCSDCZH1Sep 3, 2026Android 16Security131on server
S9310ZHSCCZG1Jul 20, 2026Android 16Security122on server
S9310ZCSCCZG1Jul 20, 2026Android 16Security121on server
S9310ZCUBCZF1Jun 16, 2026Android 16Feature111on server
S9310ZHUBCZF1Jun 16, 2026Android 16Feature112on server
S9310ZHSBCZE1May 28, 2026Android 16Security112on server
S9310ZCSBCZE1May 28, 2026Android 16Security111on server
S9310ZHUACZDPMay 11, 2026Android 16Feature102on server
S9310ZCUACZDPMay 11, 2026Android 16Feature101on server
S9310ZHSABZD1Apr 14, 2026Android 16Security102on server
S9310ZCSABZD1Apr 14, 2026Android 16Security101on server
S9310ZHS9BZC1Mar 25, 2026Android 16Security92on server
S9310ZCS9BZC1Mar 25, 2026Android 16Security91on server
S9310ZHS9BZB2Feb 26, 2026Android 16Security92on server
S9310ZCS9BZB2Feb 26, 2026Android 16Security91on server
S9310ZCS8BZA1Jan 22, 2026Android 16Security81on server
S9310ZHS8BZA1Jan 22, 2026Android 16Security82on server
S9310ZHS7BYL1Dec 16, 2025Android 16Security72on server
S9310ZCS7BYL1Dec 16, 2025Android 16Security71on server
S9310ZHS7BYK1Nov 24, 2025Android 16Security72on server
S9310ZCS7BYK1Nov 24, 2025Android 16Security71on server
S9310ZHS6BYJ2Oct 28, 2025Android 16Security62on server
S9310ZCS6BYJ2Oct 28, 2025Android 16Security61on server
S9310ZHU5BYI3Sep 18, 2025Android 16Feature52on server
S9310ZCU5BYI3Sep 18, 2025Android 16Feature51on server
S9310ZHS5AYH2Aug 26, 2025Android 15Security52on server
S9310ZCU5AYHAAug 26, 2025Android 15Feature51on server
S9310ZHS5AYG2Jul 21, 2025Android 15Security52on server
S9310ZCS5AYG4Jul 21, 2025Android 15Security51on server
S9310ZHS4AYF1Jun 17, 2025Android 15Security42on server
S9310ZCS4AYF1Jun 17, 2025Android 15Security41on server
S9310ZCS3AYDFMay 8, 2025Android 15Security31on server
S9310ZHS3AYDFMay 8, 2025Android 15Security32on server
S9310ZHU2AYD9Apr 22, 2025Android 15Feature22on server
S9310ZCU2AYDAApr 22, 2025Android 15Feature21on server
S9310ZHS1AYC3Mar 26, 2025Android 15Security12on server
S9310ZCS1AYC4Mar 26, 2025Android 15Security11on server
S9310ZHU1AYB3Feb 24, 2025Android 15Feature12on server
S9310ZCU1AYB4Feb 14, 2025Android 15Feature11on server
S9310ZHU1AYA1Feb 12, 2025Android 15Feature12on server
S9310ZCU1AYA3Feb 12, 2025Android 15Feature11on server

How to download SM-S9310 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-S9310 -r BRI

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