Galaxy S25 SM-S931B firmware

The latest stable build is S931BXXUDDZJB (Android 17, feature update), first released on Nov 5, 2026 – 1 days ago. Samsung has published 34 stable builds for this model since Jan 23, 2025: 24 security and 10 feature updates, from Android 15 to Android 17. The current bootloader (binary) version is 13. A device on bit 13 only accepts firmware with bit 13 or higher – see downgrading and the bootloader bit.

Latest build
S931BXXUDDZJB
Released
Nov 5, 2026
Android
Android 17
Bootloader bit
13
Regions
91
Stable builds
34

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
ACRGhanaS931BXXUDDZJBAndroid 17Nov 5, 202624
AFGAfghanistanS931BXXUDDZJBAndroid 17Nov 5, 202624
AFRAfricaS931BXXUDDZJBAndroid 17Nov 5, 202624
AROArgentinaS931BXXSDDZJ1Android 17Oct 26, 202623
BOGFrance (Bouygues)S931BXXUDDZJBAndroid 17Nov 5, 202625
BVOBoliviaS931BXXSDDZJ1Android 17Oct 26, 202623
CAUCaucasusS931BXXUDDZJBAndroid 17Nov 5, 202624
CDRDominican RepublicS931BXXSDDZJ1Android 17Nov 4, 202623
CGUGuatemala (Claro)S931BXXSDDZJ1Android 17Oct 28, 202623
CHEChile (Entel)S931BXXSDDZJ1Android 17Oct 30, 202623
CHLChile (Claro)S931BXXSDDZJ1Android 17Oct 30, 202623
CHOChileS931BXXSDDZJ1Android 17Oct 30, 202623
CHTChile (Movistar)S931BXXSDDZJ1Android 17Oct 30, 202623
COBColombia (Movistar)S931BXXSDDZJ1Android 17Oct 26, 202623
COLColombiaS931BXXSDDZJ1Android 17Oct 26, 202623
COMColombia (Claro)S931BXXUCDZIFAndroid 17Oct 27, 202622
COOColombiaS931BXXSDDZJ1Android 17Oct 26, 202623
CRCCosta RicaS931BXXSDDZJ1Android 17Oct 28, 202623
CTIArgentina (Claro)S931BXXSDDZJ1Android 17Oct 26, 202623
DKRSenegalS931BXXUDDZJBAndroid 17Nov 5, 202624
DORDominican RepublicS931BXXSDDZJ1Android 17Oct 28, 202623
EBEEcuadorS931BXXSDDZJ1Android 17Oct 30, 202623
ECOEcuadorS931BXXSDDZJ1Android 17Oct 30, 202623
ECTNigeriaS931BXXUDDZJBAndroid 17Nov 5, 202624
EGYEgyptS931BXXUDDZJBAndroid 17Nov 5, 202624
EUXEurope (Multi-CSC)S931BXXUDDZJBAndroid 17Nov 5, 202637
EUYEurope (Multi-CSC)S931BXXUDDZJBAndroid 17Nov 5, 202625
GLBPhilippines (Globe)S931BXXUDDZJBAndroid 17Nov 5, 202624
GLONigeria (Glo)S931BXXSDDZJ1Android 17Oct 28, 202623
GTOGuatemalaS931BXXUDDZJBAndroid 17Nov 6, 202624
ILOIsraelS931BXXUDDZJBAndroid 17Nov 5, 202624
INSIndiaS931BXXUDDZJBAndroid 17Nov 6, 202627
IUSMexico (AT&T)S931BXXSDDZJ1Android 17Oct 26, 202625
KSASaudi ArabiaS931BXXUDDZJBAndroid 17Nov 5, 202624
LYSLibyaS931BXXUDDZJBAndroid 17Nov 5, 202624
MEOPortugal (MEO)S931BXXUDDZJBAndroid 17Nov 5, 202625
MIDMiddle EastS931BXXUDDZJBAndroid 17Nov 5, 202624
MM1Singapore (M1)S931BXXUDDZJBAndroid 17Nov 5, 202624
MOBAustria (A1)S931BXXUDDZJBAndroid 17Nov 5, 202625
MOTSlovenia (Telekom)S931BXXUDDZJBAndroid 17Nov 5, 202625
MSRSerbiaS931BXXUDDZJBAndroid 17Nov 5, 202625
MWDMoroccoS931BXXUDDZJBAndroid 17Nov 5, 202624
MXOMexicoS931BXXSDDZJ1Android 17Oct 26, 202625
NPBNepalS931BXXUDDZJBAndroid 17Nov 6, 202624
OPSAustralia (Optus)S931BXXUDDZJBAndroid 17Nov 5, 202624
PAKPakistanS931BXXUDDZJBAndroid 17Nov 5, 202624
PEOPeruS931BXXSDDZJ1Android 17Oct 30, 202623
PETPeru (Movistar)S931BXXSDDZJ1Android 17Oct 30, 202623
PGUGuatemalaS931BXXSDDZJ1Android 17Oct 28, 202623
PKDPakistanS931BXXUDDZJBAndroid 17Nov 5, 202624
PLSPoland (Plus)S931BXXUDDZJBAndroid 17Nov 5, 202625
PNTPanamaS931BXXSDDZJ1Android 17Oct 30, 202623
PRTPoland (Play)S931BXXUDDZJBAndroid 17Nov 5, 202625
PSNArgentina (Personal)S931BXXSDDZJ1Android 17Oct 26, 202623
SAMOceaniaS931BXXSDDZJ1Android 17Oct 30, 202623
SERRussiaS931BXXUDDZJBAndroid 17Nov 5, 202624
SFRFrance (SFR)S931BXXUDDZJBAndroid 17Nov 5, 202625
SIMSlovenia (A1)S931BXXUDDZJBAndroid 17Nov 5, 202625
SINSingapore (Singtel)S931BXXUDDZJBAndroid 17Nov 5, 202624
SKZKazakhstanS931BXXUDDZJBAndroid 17Nov 5, 202624
SLKSri LankaS931BXXUDDZJBAndroid 17Nov 6, 202624
STHSingapore (StarHub)S931BXXUDDZJBAndroid 17Nov 5, 202624
SWCSwitzerlandS931BXXUDDZJBAndroid 17Nov 5, 202625
TCEMexico (Telcel)S931BXXSDDZJ1Android 17Oct 26, 202625
TELAustralia (Telstra)S931BXXUDDZJBAndroid 17Nov 5, 202624
TGPParaguayS931BXXSDDZJ1Android 17Oct 28, 202623
THLThailandS931BXXUDDZJBAndroid 17Nov 5, 202624
TMMMyanmarS931BXXSDDZJ1Android 17Oct 26, 202623
TOPSerbia/MontenegroS931BXXUDDZJBAndroid 17Nov 5, 202625
TPAPanamaS931BXXSDDZJ1Android 17Oct 26, 202623
TUNTunisiaS931BXXUDDZJBAndroid 17Nov 5, 202624
TURTurkeyS931BXXUDDZJBAndroid 17Nov 5, 202625
UFNArgentina (Movistar)S931BXXSDDZJ1Android 17Oct 26, 202623
UPOUruguayS931BXXSDDZJ1Android 17Oct 28, 202623
UYOUruguayS931BXXSCCZH1Android 16Sep 1, 202621
VAUAustralia (Vodafone)S931BXXUDDZJBAndroid 17Nov 5, 202624
VIPCroatia (A1)S931BXXUDDZJBAndroid 17Nov 5, 202625
XFASouth AfricaS931BXXUDDZJBAndroid 17Nov 5, 202624
XFVSouth Africa (Vodacom)S931BXXUDDZJBAndroid 17Nov 5, 202624
XIDIndonesiaS931BXXUDDZJBAndroid 17Nov 5, 202625
XMEMalaysiaS931BXXUDDZJBAndroid 17Nov 5, 202624
XNZNew ZealandS931BXXUDDZJBAndroid 17Nov 5, 202624
XSAAustraliaS931BXXUDDZJBAndroid 17Nov 5, 202624
XSGUnited Arab EmiratesS931BXXUDDZJBAndroid 17Nov 5, 202624
XSPSingaporeS931BXXUDDZJBAndroid 17Nov 5, 202624
XTCPhilippinesS931BXXUDDZJBAndroid 17Nov 5, 202624
XXVVietnamS931BXXUDDZJBAndroid 17Nov 5, 202624
ZTABrazil (Claro)S931BXXSDDZJ1Android 17Oct 26, 202623
ZTMBrazil (TIM)S931BXXSDDZJ1Android 17Oct 26, 202623
ZTOBrazilS931BXXSDDZJ1Android 17Oct 26, 202623
ZVVBrazil (Vivo)S931BXXSDDZJ1Android 17Oct 26, 202623

Firmware history (34 builds)

Every stable build (PDA version) Samsung has published for the SM-S931B, 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
S931BXXUDDZJBNov 5, 2026Android 17Feature1354on server
S931BXXSDDZJ1Oct 22, 2026Android 17Security1389on server
S931BXXUCDZIFOct 6, 2026Android 17Feature1290on server
S931BXXSCCZH1Aug 31, 2026Android 16Security1291on server
S931BXXSBCZG3Jul 14, 2026Android 16Security1191on server
S931BXXSACZF2Jun 25, 2026Android 16Security101on server
S931BXXUACZF1Jun 15, 2026Android 16Feature1091on server
S931BXXS9CZE1May 20, 2026Android 16Security991on server
S931BXXU9CZDPMay 11, 2026Android 16Feature991on server
S931BXXS9BZCJApr 30, 2026Android 16Security94on server
S931BXXS9BZCIApr 17, 2026Android 16Security937on server
S931BXXS9BZCHApr 9, 2026Android 16Security953on server
S931BXXS8BZC1Mar 24, 2026Android 16Security891on server
S931BXXS8BZB5Feb 26, 2026Android 16Security891on server
S931BXXS7BYLRJan 19, 2026Android 16Security791on server
S931BXXS7BYKSDec 11, 2025Android 16Security791on server
S931BXXS7BYK3Nov 20, 2025Android 16Security791on server
S931BXXS6BYIFOct 14, 2025Android 16Security691on server
S931BXXU5BYI3Sep 18, 2025Android 16Feature591on server
S931BXXS5AYG2Aug 13, 2025Android 15Security515on server
S931BXXS5AYG4Aug 13, 2025Android 15Security576on server
S931BXXS5AYF4Jul 17, 2025Android 15Security515on server
S931BXXS5AYF6Jul 16, 2025Android 15Security576on server
S931BXXS4AYF1Jun 12, 2025Android 15Security415on server
S931BXXS4AYF2Jun 12, 2025Android 15Security476on server
S931BXXU3AYE7Jun 2, 2025Android 15Feature315on server
S931BXXS3AYDAMay 7, 2025Android 15Security391on server
S931BXXU2AYD9Apr 21, 2025Android 15Feature291on server
S931BXXS1AYC3Mar 25, 2025Android 15Security11on server
S931BXXS1AYC2Mar 24, 2025Android 15Security190on server
S931BXXU1AYB5Feb 27, 2025Android 15Feature11on server
S931BXXU1AYB4Feb 24, 2025Android 15Feature190on server
S931BXXU1AYA1Jan 23, 2025Android 15Feature191on server
S931BXXS9BZCK–Android 16Security93on server

Beta and test builds

Samsung's servers also list 13 beta build(s) for this model. They are not offered to regular users and are often removed after the next stable release.

BuildListedFile
S931BXXUCZZICSep 17, 2026pulled
S931BXXUCZZI4Sep 8, 2026pulled
S931BXXUCZZHLSep 2, 2026pulled
S931BXXU9ZZD5Apr 21, 2026pulled
S931BXXU9ZZDDApr 21, 2026pulled
S931BXXU8ZZCDMar 26, 2026pulled
S931BXXU8ZZC7Mar 16, 2026pulled
S931BXXU8ZZAOFeb 26, 2026pulled
S931BXXU7ZZANFeb 19, 2026pulled
S931BXXU7ZZALFeb 10, 2026pulled
S931BXXU7ZZA3Jan 5, 2026pulled
S931BXXU7ZYLHDec 22, 2025pulled
S931BXXU7ZYL8Dec 8, 2025pulled

How to download SM-S931B 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-S931B -r ACR

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