Galaxy S25 Ultra SM-S938B firmware

The latest stable build is S938BXXUDDZJB (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
S938BXXUDDZJB
Released
Nov 5, 2026
Android
Android 17
Bootloader bit
13
Regions
92
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
ACRGhanaS938BXXUDDZJBAndroid 17Nov 5, 202624
AFGAfghanistanS938BXXUDDZJBAndroid 17Nov 5, 202624
AFRAfricaS938BXXUDDZJBAndroid 17Nov 5, 202624
AROArgentinaS938BXXSDDZJ1Android 17Oct 27, 202623
BNGBelgiumS938BXXUDDZJBAndroid 17Nov 6, 202624
BOGFrance (Bouygues)S938BXXUDDZJBAndroid 17Nov 5, 202625
BVOBoliviaS938BXXSDDZJ1Android 17Oct 27, 202623
CAUCaucasusS938BXXUDDZJBAndroid 17Nov 5, 202624
CDRDominican RepublicS938BXXSDDZJ1Android 17Nov 4, 202623
CGUGuatemala (Claro)S938BXXSDDZJ1Android 17Oct 28, 202623
CHEChile (Entel)S938BXXSDDZJ1Android 17Oct 30, 202623
CHLChile (Claro)S938BXXSDDZJ1Android 17Oct 30, 202623
CHOChileS938BXXSDDZJ1Android 17Oct 30, 202623
CHTChile (Movistar)S938BXXSDDZJ1Android 17Oct 30, 202623
COBColombia (Movistar)S938BXXSDDZJ1Android 17Oct 27, 202623
COLColombiaS938BXXSDDZJ1Android 17Oct 27, 202623
COMColombia (Claro)S938BXXUCDZIFAndroid 17Oct 27, 202622
COOColombiaS938BXXSDDZJ1Android 17Oct 27, 202623
CRCCosta RicaS938BXXSDDZJ1Android 17Oct 28, 202623
CTIArgentina (Claro)S938BXXSDDZJ1Android 17Oct 27, 202623
DKRSenegalS938BXXUDDZJBAndroid 17Nov 5, 202624
DORDominican RepublicS938BXXSDDZJ1Android 17Oct 28, 202623
EBEEcuadorS938BXXSDDZJ1Android 17Oct 30, 202623
ECOEcuadorS938BXXSDDZJ1Android 17Oct 30, 202623
ECTNigeriaS938BXXUDDZJBAndroid 17Nov 5, 202624
EGYEgyptS938BXXUDDZJBAndroid 17Nov 5, 202624
EUXEurope (Multi-CSC)S938BXXUDDZJBAndroid 17Nov 5, 202637
EUYEurope (Multi-CSC)S938BXXUDDZJBAndroid 17Nov 5, 202625
GLBPhilippines (Globe)S938BXXUDDZJBAndroid 17Nov 5, 202624
GLONigeria (Glo)S938BXXSDDZJ1Android 17Oct 28, 202623
GTOGuatemalaS938BXXUDDZJBAndroid 17Nov 6, 202624
ILOIsraelS938BXXUDDZJBAndroid 17Nov 5, 202624
INSIndiaS938BXXUDDZJBAndroid 17Nov 6, 202627
IUSMexico (AT&T)S938BXXSDDZJ1Android 17Oct 27, 202625
KSASaudi ArabiaS938BXXUDDZJBAndroid 17Nov 5, 202624
LYSLibyaS938BXXUDDZJBAndroid 17Nov 5, 202624
MEOPortugal (MEO)S938BXXUDDZJBAndroid 17Nov 5, 202625
MIDMiddle EastS938BXXUDDZJBAndroid 17Nov 5, 202624
MM1Singapore (M1)S938BXXUDDZJBAndroid 17Nov 5, 202624
MOBAustria (A1)S938BXXUDDZJBAndroid 17Nov 5, 202625
MOTSlovenia (Telekom)S938BXXUDDZJBAndroid 17Nov 5, 202625
MSRSerbiaS938BXXUDDZJBAndroid 17Nov 5, 202625
MWDMoroccoS938BXXUDDZJBAndroid 17Nov 5, 202624
MXOMexicoS938BXXSDDZJ1Android 17Oct 27, 202625
NPBNepalS938BXXUDDZJBAndroid 17Nov 6, 202624
OPSAustralia (Optus)S938BXXUDDZJBAndroid 17Nov 5, 202624
PAKPakistanS938BXXUDDZJBAndroid 17Nov 5, 202624
PEOPeruS938BXXSDDZJ1Android 17Oct 30, 202623
PETPeru (Movistar)S938BXXSDDZJ1Android 17Oct 30, 202623
PGUGuatemalaS938BXXSDDZJ1Android 17Oct 28, 202623
PKDPakistanS938BXXUDDZJBAndroid 17Nov 5, 202624
PLSPoland (Plus)S938BXXUDDZJBAndroid 17Nov 5, 202625
PNTPanamaS938BXXSDDZJ1Android 17Oct 30, 202623
PRTPoland (Play)S938BXXUDDZJBAndroid 17Nov 5, 202625
PSNArgentina (Personal)S938BXXSDDZJ1Android 17Oct 27, 202623
SAMOceaniaS938BXXSDDZJ1Android 17Oct 30, 202623
SERRussiaS938BXXUDDZJBAndroid 17Nov 5, 202624
SFRFrance (SFR)S938BXXUDDZJBAndroid 17Nov 5, 202625
SIMSlovenia (A1)S938BXXUDDZJBAndroid 17Nov 5, 202625
SINSingapore (Singtel)S938BXXUDDZJBAndroid 17Nov 5, 202624
SKZKazakhstanS938BXXUDDZJBAndroid 17Nov 5, 202624
SLKSri LankaS938BXXUDDZJBAndroid 17Nov 6, 202624
STHSingapore (StarHub)S938BXXUDDZJBAndroid 17Nov 5, 202624
SWCSwitzerlandS938BXXUDDZJBAndroid 17Nov 5, 202625
TCEMexico (Telcel)S938BXXSDDZJ1Android 17Oct 27, 202625
TELAustralia (Telstra)S938BXXUDDZJBAndroid 17Nov 5, 202624
TGPParaguayS938BXXSDDZJ1Android 17Oct 28, 202623
THLThailandS938BXXUDDZJBAndroid 17Nov 5, 202624
TMMMyanmarS938BXXSDDZJ1Android 17Oct 27, 202623
TOPSerbia/MontenegroS938BXXUDDZJBAndroid 17Nov 5, 202625
TPAPanamaS938BXXSDDZJ1Android 17Oct 27, 202623
TUNTunisiaS938BXXUDDZJBAndroid 17Nov 5, 202624
TURTurkeyS938BXXUDDZJBAndroid 17Nov 5, 202625
UFNArgentina (Movistar)S938BXXSDDZJ1Android 17Oct 27, 202623
UPOUruguayS938BXXSDDZJ1Android 17Oct 28, 202623
UYOUruguayS938BXXSCCZH1Android 16Sep 1, 202621
VAUAustralia (Vodafone)S938BXXUDDZJBAndroid 17Nov 5, 202624
VIPCroatia (A1)S938BXXUDDZJBAndroid 17Nov 5, 202625
XFASouth AfricaS938BXXUDDZJBAndroid 17Nov 5, 202624
XFVSouth Africa (Vodacom)S938BXXUDDZJBAndroid 17Nov 5, 202624
XIDIndonesiaS938BXXUDDZJBAndroid 17Nov 5, 202625
XMEMalaysiaS938BXXUDDZJBAndroid 17Nov 5, 202624
XNZNew ZealandS938BXXUDDZJBAndroid 17Nov 5, 202624
XSAAustraliaS938BXXUDDZJBAndroid 17Nov 5, 202624
XSGUnited Arab EmiratesS938BXXUDDZJBAndroid 17Nov 5, 202624
XSPSingaporeS938BXXUDDZJBAndroid 17Nov 5, 202624
XTCPhilippinesS938BXXUDDZJBAndroid 17Nov 5, 202624
XXVVietnamS938BXXUDDZJBAndroid 17Nov 5, 202624
ZTABrazil (Claro)S938BXXSDDZJ1Android 17Oct 27, 202623
ZTMBrazil (TIM)S938BXXSDDZJ1Android 17Oct 27, 202623
ZTOBrazilS938BXXSDDZJ1Android 17Oct 27, 202623
ZVVBrazil (Vivo)S938BXXSDDZJ1Android 17Oct 27, 202623

Firmware history (34 builds)

Every stable build (PDA version) Samsung has published for the SM-S938B, 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
S938BXXUDDZJBNov 5, 2026Android 17Feature1355on server
S938BXXSDDZJ1Oct 22, 2026Android 17Security1390on server
S938BXXUCDZIFOct 6, 2026Android 17Feature1291on server
S938BXXSCCZH1Aug 31, 2026Android 16Security1292on server
S938BXXSBCZG3Jul 14, 2026Android 16Security1192on server
S938BXXSACZF2Jun 25, 2026Android 16Security101on server
S938BXXUACZF1Jun 15, 2026Android 16Feature1092on server
S938BXXS9CZE1May 20, 2026Android 16Security992on server
S938BXXU9CZDPMay 11, 2026Android 16Feature992on server
S938BXXS9BZCJApr 30, 2026Android 16Security94on server
S938BXXS9BZCIApr 17, 2026Android 16Security937on server
S938BXXS9BZCHApr 9, 2026Android 16Security954on server
S938BXXS8BZC1Mar 24, 2026Android 16Security892on server
S938BXXS8BZB5Feb 26, 2026Android 16Security892on server
S938BXXS7BYLRJan 19, 2026Android 16Security792on server
S938BXXS7BYKSDec 11, 2025Android 16Security792on server
S938BXXS7BYK3Nov 20, 2025Android 16Security792on server
S938BXXS6BYIFOct 14, 2025Android 16Security692on server
S938BXXU5BYI3Sep 18, 2025Android 16Feature592on server
S938BXXS5AYG2Aug 13, 2025Android 15Security515on server
S938BXXS5AYG4Aug 13, 2025Android 15Security577on server
S938BXXS5AYF4Jul 17, 2025Android 15Security515on server
S938BXXS5AYF6Jul 16, 2025Android 15Security577on server
S938BXXS4AYF1Jun 12, 2025Android 15Security415on server
S938BXXS4AYF2Jun 12, 2025Android 15Security477on server
S938BXXU3AYE7Jun 2, 2025Android 15Feature315on server
S938BXXS3AYDAMay 7, 2025Android 15Security392on server
S938BXXU2AYD9Apr 21, 2025Android 15Feature292on server
S938BXXS1AYC3Mar 25, 2025Android 15Security11on server
S938BXXS1AYC2Mar 24, 2025Android 15Security191on server
S938BXXU1AYB5Feb 27, 2025Android 15Feature11on server
S938BXXU1AYB4Feb 24, 2025Android 15Feature191on server
S938BXXU1AYA1Jan 23, 2025Android 15Feature192on server
S938BXXS9BZCK–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
S938BXXUCZZICSep 17, 2026pulled
S938BXXUCZZI4Sep 8, 2026pulled
S938BXXUCZZHLSep 2, 2026pulled
S938BXXU9ZZD5Apr 21, 2026pulled
S938BXXU9ZZDDApr 21, 2026pulled
S938BXXU8ZZCDMar 26, 2026pulled
S938BXXU8ZZC7Mar 16, 2026pulled
S938BXXU8ZZAOFeb 26, 2026pulled
S938BXXU7ZZANFeb 19, 2026pulled
S938BXXU7ZZALFeb 10, 2026pulled
S938BXXU7ZZA3Jan 5, 2026pulled
S938BXXU7ZYLHDec 22, 2025pulled
S938BXXU7ZYL8Dec 8, 2025pulled

How to download SM-S938B 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-S938B -r ACR

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